It is made up of the ovaries, the fallopian or uterine tubes, the uterus or womb and the vagina. Graph a shows the concentration of fsh and lh in plasma during a womans menstrual cycle. The menstrual cycle is a series of monthly changes women experience as the body prepares for a possible pregnancy. What happens when the level of oestrogen levels rise. Keeping track of your cycles and experiences on a daily basis is an interesting and helpful thing to do. From wikibooks, open books for an open world investigations. Girls can start their periods anywhere from age 10 upwards, but the average is around 12 years, says belfield. The menstrual cycle is a recurring cycle of physiological changes in women associated with reproductive fertility four hormones are involved. In sequence 1, period clothing and vehicles are used to transport the viewer. Sep 22, 2012 menstrual cycle, menstrual cycle, menstrual cycle chart, menstrual cycle calendar, menstrual cycle calculator, menstrual cycle pregnancy, menstrual cycle app, menstrual cycle tracker, menstrual cycle. The menstrual cycle with all its complexities can be easily perturbed by environmental factors such as stress, extreme exercise, eating disorders, and obesity. Menstrual cycle calendar and duedate calculator free. An interactive timeline depicting the four stages of the menstrual cycle and the changes in hormone levels.
Students used this info to label the menstrual cycle diagram on the worksheet. Birth control drugs need not be administered orally. Oestrogen and progesterone in the control of the menstrual. Reproduction graph a shows the concentration of fsh and lh in plasma during a womans menstrual cycle. Hormones are involved at every stage of the menstrual cycle. Miniwhiteboards could be used to make this a wholeclass exercise. They begin to release these ova periodically once they reach sexual maturity.
Write your centre number and candidate number in the spaces. Gcse science biology 91 the menstrual cycle youtube. The contents of this course are mainly provided through video lectures. The first menstrual cycle is referred to as a menarche. We will examine the parts of a flower, and discuss how a new plant develops from its parents plants. We will then examine the male and female reproductive systems. Ppt menstrual cycle powerpoint presentation free to. Menstrual cycle, menstrual cycle, menstrual cycle chart, menstrual cycle calendar, menstrual cycle calculator, menstrual cycle pregnancy, menstrual cycle app, menstrual cycle tracker, menstrual cycle. How well do you know about menstural cycle flashcards. Illustration of menstrual cycle calendar detailed diagram of female menstrual cycle period illustrated female reproductive organs vector art, clipart and stock vectors. The cycle is started by a hormone called follicle stimulating hormone fsh, produced by the pituitary gland. Unlike in most other mammals, the lining of the uterus is lost along with some blood between cycles. Hormones in control of the menstrual cycle animations animation. This course provides you with a quick overview of gcse biology and is designed to aid your learning at school.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Menstrual cycle trait estrogen level and masculinity. Revise hormones in human reproduction for gcse biology, aqa. An animation showing the stages of cell division during mitosis. Menstrual cycle calendar and phases click to enlarge the menstrual cycle is the name given to a womans monthly cycle, starting and ending with your period. A hormonesecreting structure that develops in an ovary after an ovum has been discharged but degenerates after a few days unless pregnancy has begun 6, 6 during which week of the cycle does menstruation occur 3 during which week of the cycle is the lining of the uterus built up 3 hormone fsh stimulates production of 9. Different hormones affect different organs or cells. The menstrual cycle is carefully regulated by several hormones. Additionally, there are extra notes and quizzes to help you build up your knowledge this course is aimed at students who are studying core or double science. If pregnancy does not happen, the lining is then shed at menstruation.
In other words, once you reach day 28 of one cycle, youre on day 0 of the next cycle. View the animation below to see the changes and how the menstrual cycle works. The purpose of this cycle is to prepare the body for pregnancy, and if this does not occur then bleeding occurs the period, and your cycle starts over again. Oestrogen, progesterone, fsh follicle stimulating hormone and lh luteinising hormone key stages. Regular menstrual periods in the years between puberty and menopause are usually a sign that your body is working normally. Feb 12, 2012 students used this info to label the menstrual cycle diagram on the worksheet. Learning can then be reinforced using the second resource, allowing learners to compare the graphical representation of the cycle with the biological processes that are occurring. As the ovum matures, the follicle becomes filled with another hormone, oestrogen. Menstrual cycle calendar detailed diagram of female. Affordable and search from millions of royalty free images, photos and vectors. Female mammals are born with all the ova they will ever release already in their ovaries. The animation will allow learners to move backwards and forwards through the cycle and develop an understanding of the process. And by the way, it says 280 here because 28th day is the same day as the zeroeth day, if that makes sense. A regular menstrual cycle is an important element of successful conception.
A brief animations showing the workings of binary addition. Bbc bitesize gcse computer science hartismere school. Control of the menstrual cycle learners can gain an understanding of the menstrual cycle using this short 4 minute video clip of the process. In this menstrual cycle worksheet, students use a list of 8 key words to complete the sentences about menstruation. Lh, oestrogen and progesterone in the control of the menstrual cycle. The rock cycle animation chromatography animation titration animation. The average cycle is 28 days, although it is perfectly normal to have a cycle that is as short as 21 days or as long as 35 days. The fetchdecodeexecute cycle is the sequence of steps that the cpu. The menstrual cycle, oral contraceptives and fertility drugs the menstrual cycle is the process in which a womans ovaries release an egg in a monthly cycle. Ib biology practical investigationshuman health and. Reproductive systems and the menstrual cycle worksheet. The diagram below describes the stages of the menstrual cycle. The menstrual cycle occurs due to the rise and fall of estrogen.
The development of an ovum each month is coordinated with changes in the uterus. Normal menstrual cyclemean duration of the mc mean 28 days only 15% of range 25average duration of menses 38 daysnormal estimated blood loss approximately 30 mlovulation occur usually day 14 36 hrs after the onset of mid cycle lh surge. Menstrual cycle calendar and phases conception advice. Use these daily diary forms to help you understand your cycle and recognize patterns within it. A few quick questions to check your understanding of the menstrual cycle, including the different hormones and the roles.
The ovarian cycle is also responsible for what we commonly know as the menstrual cycle. Gcse 1 twenty first century science biology b transition guide cr 1. Jul 04, 2017 the menstrual cycle is the set of recurring physiological changes in a females body that are under the control of the reproductive hormone system and necessary for reproduction. Animation must be created using stop motion animation or keyframe animation. Each month her eggs go through a maturation process called the ovarian cycle, and that cycle creates a secondary oocyte than can be then fertilized by a sperm to result in a pregnancy. This ordering activity could be used as a plenary or revision exercise on the menstrual cycle. The menstrual cycle is a recurring cycle of physiological changes in women associated with reproductive fertility. The basic biology of the menstrual cycle is a complex, coordinated sequence of events involving the hypothalamus, anterior pituitary, ovary, and endometrium. Question describe the change in levels of the two hormones during. Therefore, a full cycle is the first day of one period until the first day of your next period, she explains. This is just one of the solutions for you to be successful. The role of reproductive hormones in the menstrual cycle. Day 1 of the cycle begins on is the first day of bleeding bleeding can last for 37 days and the cycle ends just before the next menstrual period. This science printable asks students to correctly order the stages of the menstrual cycle and complete statements about the changes that occur in the female reproductive system.
Your menstrual cycle is part of your bodys way of preparing for a possible pregnancy each month. A free powerpoint ppt presentation displayed as a flash slide show on id. The release of this egg and the changes in the thickness of the lining of the womb in readiness for. The relative lengths of our fingers are established by the th week of foetal development, and are determined by uterine levels of the sex hormone testosterone. Gcse aqa menstrual cycle and controlling fertility teaching. Menstrual cycle cut and stick worksheet teacher made. It stimulates the release of a mature egg from on of the ovaries in the middle of the menstrual cycle. Women who are having problems associated with their cycles can use the diaries to document the patterns.
This course is full of explanation videos which rhyme in order to help the information stick in your brain. The menstrual cycle the ovary the menstrual cycle follicular phase luteal phase menstrual cycle and mate choice cycle related psychological changes cycle related physiological changes behavioral biology of women2007 the ovary the ovary function of the ovary target organ. These chemicals cause changes in the blood supply to your uterus, breaking up the lining, and stimulating the uterus to contract. The age of menarche in most north american women is around. Menstrual cycle menstrual cycle interaction between the endocrine and reproductive systems. Castaways tale of survival baffles experts dont curse the cold.
Use this menstrual cycle cut and stick worksheet as a classroom activity to support students learning about the menstrual cycle. The software indicates days with increased probability of getting pregnant, makes predictions. Footprintsscience gcse science animations and quizzes. Your menstrual cycle begins on the first day of your period. Ib biology practical investigationshuman health and physiology menstrual cycle animation. Menstrual cycle the menstrual cycle is the hormonal process a womans body goes through each month to prepare for a possible pregnancy. They slow down the production of fsh and start the production of lh by the pituitary gland. Dec 07, 2016 this video shows your entire menstrual cycle in 2 minutes. Menstrual cycle hormone interactions worksheet and animation. A few quick questions to check your understanding of the menstrual cycle, including the different hormones and the roles they play. Study periodsa level csjust for funyear 9 tasksgcse computinggcse csa levelcomputer science. These forms give places to record both physical and emotional changes during your cycles. During the process, the lining of the uterus womb is prepared for pregnancy.
The menstrual cycle refers to the regular changes in the activity of the ovaries and the endometrium that make reproduction possible. Whole lesson and resources on the menstrual cycle, hormones and controlling fertility. The average menstrual cycle is 28 days, and the normal range is 21 to 35 days, says sara gottfried, m. The pituitary gland produces fsh which starts the development of one egg in a follicle in one of the ovaries. In the second lesson, i used the quiz as a starter and students sorted the cards into 3 columns for fsh, lh and oestrogen, to revise the function of each hormone. The menstrual cycle, fertilization and the development of the embryo is also discussed in this course. And time in this situation is sorta constricted to 28 days because thats how long each reproductive cycle is.
The software indicates days with increased probability of getting pregnant, makes predictions of upcoming dates and keeps records of previous cycles. The type of oestrus egg producing cycle typical of humans. Why good athletes are goodlooking, too too amazing to be true. Menstrual cycle calendar and duedate calculator free desktop pc version. Reproductive cycle graph follicular phase video khan. A teaching animation, which shows the effects of adrenaline on the body. This typically takes place an average of about 14 days before the start of a womans monthly period. You will need to disable wifi for a certain period of time, avoiding temptation. Luteinizing hormone lh, folliclestimulating hormone fsh, and the female sex hormones oestrogen and progesterone.
The menstrual cycle is the time from the first day of a womans period to the day before her next period, says toni belfield, a specialist in sexual health information, and a trained fertility awareness teacher. During each menstrual cycle, a womans ovaries release an egg. Menstrual cycle calendar detailed diagram of female menstrual. The menstrual cycle last for approximately 28 days and graphs can be used to follow changes to the hormones during this process. Jan 22, 2020 it stimulates the release of a mature egg from on of the ovaries in the middle of the menstrual cycle. The average menstrual cycle is 28 days and consists of four phases. Oestrogen and progesterone in the control of the menstrual cycle.
The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy. On average the menstrual cycle lasts between 2835 days. Gcse moving image arts specimen assessment materials ccea. Your menstrual cycle phasesexplained shape magazine. How to measure digit ratio this animation is a simple illustration of how digit ratio can be measured. Start studying gcse biology 58 the menstrual cycle and pregnancy. Understanding how the process works is important, since you can use this information to help to either get pregnant or avoid getting pregnant, to better manage any menstrual symptoms you are experiencing, and understand when there might be a problem. Fetchdecodeexecute cycle instructions gcse computer. Question describe the change in levels of the two hormones. Students then put 5 sentences in the correct order to describe a typical 28 day cycle. Ocr gcse 91 twenty first century science biology b. Your menstrual cycle then starts all over again once all hormone levels have dropped.
How to revise for your gcse computer science exam, make effective use of your time, and prepare to pass. The menstrual cycle the start of the menstrual cycle is a very important part of female adolescence. The ovary produces oestrogen which causes the repair of the lining of the uterus after the last menstruation. The modes can be changed from normal to fight or flight.
Diary the centre for menstrual cycle and ovulation research. Your task is to program the movement of elevators, by writing a program in javascript. Gcse menstrual cycle hormones diagram for pupils to complete alongside the powerpoint animation. During which week of the cycle does menstruation occur 3 during which week of the cycle is the lining of the uterus built up 3 hormone fsh stimulates production of 9 hormone which inhibits fsh and lh 12 the day on which ovulation takes place 8 when a woman stops having periods 9 when does the menstrual cycle start 7. The menstrual cycle hormones flashcards in gcse biology. Its important to remember that every womans body is different, and unless you happen to be on some kind of hormone regulation such as the birth control pill its completely normal for your cycle to range anywhere from 21 to 35 days.
Shows each hormone, where it is produced, the function and which other hormone it stimulates or inhibits. Your students can learn the cycle in a fun and engaging way. Gcse ocr gcse 91 biology b twenty first century science. Cycle calculator is a menstrual cycle calendar also known as fertility calendar. A diagram representing the menstrual cycle and hormone levels. The menstrual cycle is the regular natural change that occurs in the female reproductive system specifically the uterus and ovaries that makes pregnancy possible. In this video, we look at how hormones are involved in the.
Graph b shows the concentration of two hormones x and y produced in the ovary during the same menstrual cycle. Concentration of hormone in plasma arbitrary units. Depoprovera, a progesterone available in many countries, is administered by injection once every three months. Apr 17, 2018 in this video, we look at how hormones are involved in the menstrual cycle. Menarche usually occurs about two years after a womans breasts develop and between 4 and 6 months after the growth of their pubic and underarm hair. A weightloss program adapted to the menstrual cycle increases weight loss in healthy, overweight, premenopausal women. Normal menstrual cyclemean duration of the mc mean 28 days only 15% of range 25average duration of menses 38 daysnormal estimated blood loss approximately 30 mlovulation occur usually day 14 36 hrs after the onset of midcycle lh surge. Deliberate thought by kevin macleod is licensed under a creative commons attribution licence. Typically every month, a menstrual cycle takes place in a females body to prepare her to have a baby later in life, if she chooses to. All computer software is built up of sets of instructions. The menstrual cycle, oral contraceptives and fertility drugs. Home faq about log in subscribe now 30day free trial. Gcse physics gcse biology gcse chemistry gcse mathematics.
A weightloss program adapted to the menstrual cycle increases. A hormone is a chemical substance, produced by a gland and carried by the blood, which alters the activity of specific target organs and is then destroyed by the liver. Comprehensive revision notes for gcse exams for physics, chemistry, biology. This causes one of the ovaries to form a follicle in which the ovum develops. Menstrual cycle swf freeware free download menstrual cycle swf. Hormones control a womans menstrual cycle and this cycle is comprised of three distinct phases. Jul 19, 2012 physiologyof the menstrual cycleovulation divides the mc into two phases. Your period starts and the lining of your uterus is shed along with the unfertilised egg. This video shows your entire menstrual cycle in 2 minutes self.
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