Your period starts and the lining of your uterus is shed along with the unfertilised egg. Menstrual cycle sequencing cards how can i teach my students about the menstrual cycle. The end result is the production of an ovum and thickening of the endometrium to allow for implantation, should fertilisation should occur. The uterus sheds its inner lining of soft tissue and blood vessels which exits the body from the vagina in the form of menstrual fluid. Boston womens health book collective shelved 1 time as menstruation avg rating 4. Use this sequencing card activity to support your students in learning about the hormones involved in each stage of the menstrual cycle. Gcse physics gcse biology gcse chemistry gcse mathematics.
After the womans period, the proliferative phase of the menstrual cycle begins. Mar 21, 2018 the whole of aqa homeostasis and response. The start of the menstrual cycle is a very important part of female adolescence. The menstrual cycle with all its complexities can be easily perturbed by environmental factors such. My gcse science premium video tutorials, examstyle. A more effective way to achieve understanding in science and get higher grades at gcse. The estrous cycle in rodents occurs every 45 days throughout the year freeman, 1988. Review the average menstrual cycle and the main hormones that contribute to menstruation learn about the symptoms of menstruation such as abdominal cramping, bloating and mood swings practice exams. Menstruation period or menstrual cycle healthengine blog. The lining of the uterus is regrown during each menstrual cycle. Womens own experiences in different cultures are contrasted with.
They slow down the production of fsh and start the production of lh by the pituitary gland. In this video, we look at how hormones are involved in the menstrual cycle. Full of practical insight, empowering resources, creative activities and passion, this book will put you back in touch with your bodys wisdom. Menstrual phase day 15 menstrual phase begins on the first day of menstruation and lasts till the 5th day of the menstrual cycle. Oestrogen, progesterone, fsh follicle stimulating hormone and lh luteinising hormone key stages. Jul 19, 2012 menstrual cycle its details and its physiology slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Menstrual bleeding typically continues for 35 days in what is known as the menstrual phase of the cycle. This general science book is aimed at gcse students rather than university students. Oestrogen and progesterone in the control of the menstrual. Anne walker shows that women are neither the victims of raging hormonal fluctuations nor entirely unaffected by them. Mendelson, in hormones, brain and behavior second edition, 2009. Graph b shows the concentration of two hormones x and y produced in the ovary during the same menstrual cycle. Note that the cycle begins with day 1, which is the day a girl gets her period. Concentration of hormone in plasma arbitrary units.
Reproductive systems and the menstrual cycle worksheet. Revised glossary for aqa gcse biology for combined science trilogy student book. The menstrual cycle and hormones greg foot describes the interaction of fsh, ls, oestrogen and progesterone in the menstrual cycle the menstrual cycle is a recurring process that takes around 28 days. It answers all the questions girls are dying to ask, but darent, in a clear, friendly way, using reallife examples. Bleeding may last anywhere from 47 days, with the most blood loss occurring in the first 3 days. Write an essay in which you explain the hormonal control of the menstrual cycle of a human being when no fertilization occurs. Deliberate thought by kevin macleod is licensed under a creative commons attribution licence. It tells you what happens and when, what you need to know and how to prepare. The menstrual cycle is orchestrated by the endocrine system through the complex interaction of the hypothalamus, pituitary and gonads hypothalamicpituitarygonadal axis. The menstrual cycle with all its complexities can be easily perturbed by environmental factors such as stress, extreme exercise, eating disorders, and obesity. Birth control drugs need not be administered orally. The entire menstrual cycle lasts around 28 days, with the cycle beginning on the first day of menstruation and ovulation occurring at approximately day 14.
The menstrual cycle occurs over a period of about 28 days. About once a month, the uterus grows a new lining endometrium to get ready for a fertilized egg camera. The water cycle what is the water cycle the water cycle describes the movement of water through the environment. Nsc grade 12 preparatory examination september 2012 paper 2 question 4. Learn vocabulary, terms, and more with flashcards, games, and other study tools. I was predicted 5s and came out as the most improved student in my school year.
A few quick questions to check your understanding of the menstrual cycle, including the different hormones and the roles they play. Gcse science wikibooks, open books for an open world. Jan 22, 2020 it stimulates the release of a mature egg from on of the ovaries in the middle of the menstrual cycle. Designed by teachers to supplement and support your lessons, our resources are the best way to engage your ks4 science students with gcse biology. It is associated with the production of eggs and preparing the uterus for the.
The diagram below describes the stages of the menstrual cycle and explains why each one is necessary. Menstrual cycle worksheet flashcards by melissa johnson. Science and maths by primrose kitten 76,895 views 20. The menstrual cycle is a recurring cycle of physiological changes in women associated with reproductive fertility.
The hormones estrogen and progesterone peak at approx. Its common for young women to have irregular cycles for the first couple of years after they get their. If implantation of the fertilised egg into the uterus. The basic biology of the menstrual cycle is a complex, coordinated sequence of events involving the hypothalamus, anterior pituitary, ovary, and endometrium. Unlike most previous publications that focus on menstruation a part of the cycle, the menstrual cycle presents a well researched study of the entire menstrual cycle and its relationship to womens lives. It is the reproductive cycle that produces eggs for fertilisation. Please remember to leave feedback, for updates and promotions you can also follow me here. How well do you know about the book criminal justice flashcards. The menstrual cycle is a cycle of events that occurs in the womb uterus and ovaries of female mammals. Browse cgps bestselling secondary 91 gcse and igcse science books for combined science, biology, chemistry and physics.
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 do so. From wikibooks, open books for an open world gcse science. Teachers are to place the sequence of days around the room to get the learners to bring the pieces together. Chemical coordination within the body is essential for the reproductive process in males and females.
Revise mitosis, the cell cycle and how stem cells work in humans and plants for gcse combined science, aqa. It stimulates the release of a mature egg from on of the ovaries in the middle of the menstrual cycle. Explore more than 18 menstrual cycle resources for teachers, parents and pupils as well as related resources on periods. Apr 17, 2018 in this video, we look at how hormones are involved in the menstrual cycle. I got a 99 in my combined science results today and all the credit goes to your videos. When there is no fertilized egg to start a pregnancy, the uterus sheds its lining. Oestrogen and progesterone in the control of the menstrual cycle. Negative feedback the one found more commonly in life is when there is a deviation from a set point, e. Exam series january may june science single award new science double award physics. The menstrual cycles last for approximately 28 days, and graphs can be used to follow changes to the hormones during this process.
Gcse science biology 91 the menstrual cycle find my revision workbooks here. Comprehensive revision notes for gcse exams for physics, chemistry, biology. The entire cycle repeats every 28 days or so, but its different for everyone. Your menstrual cycle then starts all over again once all hormone levels have dropped. If you continue browsing the site, you agree to the use of cookies on this website. Students learn how to apply knowledge, as they solve 100s of common question types.
During the process, the lining of the uterus is prepared for pregnancy. This is the monthly menstrual bleeding also called menstrual period that women have. The menstrual cycle is a recurring process which takes around 28 days. 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. Gcse ocr gcse 91 combined science a gateway science. This resource is a broken down practice exam question to help improve exam technique when answering exam questions on the menstrual cycle. Popular menstruation books meet your next favorite book.
Book club our original story books, printed and delivered to your door. Water evaporates from the surface of the sea and moves up into the atmosphere. View the animation below to see the changes and how the menstrual cycle works. I got an 8 in both physics and biology and a 7 in chemistry. New gcse is more challenging and demands students to apply knowledge. Use this as a starter or plenary activity to assess your students knowledge and understanding of the menstrual cycle. We have been so impressed that we have just ordered a gcse practice book, rather premature in view of the ages of my three children but i have been enjoying working with my son so much it is as much for myself as it is for their future studies. The menstrual cycle is difficult for learners to grasp. The menstrual cycle gcse biology 91 this video covers the following syllabus objectives from edexcel igcse biology 91 3. For your question, it is important to understand what feedback loops are.
Graph a shows the concentration of fsh and lh in plasma during a womans menstrual cycle. Days 1 to 12 oestrogen gradually increases and peaks. Free gcse biology science menstrual cycle practice exam. During the menstrual cycle the uterus endometrium prepares itself for implantation of a fertilised egg, if this does not occur the uterus lining is shed from the body. Gcse sciencehormones wikibooks, open books for an open. The menstrual cycle is a recurring cycle of physiological changes in women associated with reproductive fertility four hormones are involved. Puberty is the stage in life when a childs body develops into an adults body.
Aqa gcse science 2011 free gcse physics sample chapters for the 2011 specification from longman from pearson schools. Between 50150ml of blood is released during this period. Water leaves the atmosphere and falls back into the sea or falls on to land where some water flows back into the sea as a river as shown in the picture below. The sequential stages of proestrus 1 day, estrus 1 day, and diestrus 2 days correspond functionally to the follicular, periovulatory, and luteal phases of the. Depoprovera, a progesterone available in many countries, is administered by injection once every three months. Gcse science biology 91 the menstrual cycle youtube. From assessments, revision, and core practicals to materials helping you teach every topic in the edexcel curriculum, weve got everything you need all in one place. The role of reproductive hormones in the menstrual cycle. Revised glossary for aqa gcse biology for combined science trilogy student book, author. The menstrual cycle begins when a girl reaches the age of puberty. The menstrual cycle consists of four phases and progresses in response to hormones in the females body.
Aqa gcse science 2011 free gcse physics sample chapters for the 2011. The menstrual cycle activity will hopefully make it easier for learners to understand the role of each hormone in the menstrual cycle. Gcse sciencehormones wikibooks, open books for an open world. We would like to show you a description here but the site wont allow us. This is sample content from the new aqa gcse science a student book and covers nine chapters, three from each of b1, c1 and p1. Hailed as lifechanging by women around the world, moon time shares a fully embodied understanding of your menstrual cycle. These chemicals cause changes in the blood supply to your uterus, breaking up the lining, and stimulating the uterus to contract.