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Draw a large labelled diagram of the reproductive system of the human female - Leaving Cert Biology - Question b - 2005
Question b
Draw a large labelled diagram of the reproductive system of the human female. Indicate on your diagram where each of the following events takes place; fertilisation,... show full transcript
Worked Solution & Example Answer:Draw a large labelled diagram of the reproductive system of the human female - Leaving Cert Biology - Question b - 2005
Step 1
Draw a large labelled diagram of the reproductive system of the human female.
Answer
The diagram should include the following structures:
- Ovaries
- Fallopian tubes (oviducts)
- Uterus
- Vagina
Each part should be clearly labelled. The ovaries produce eggs and hormones, the Fallopian tubes transport the egg, the uterus is the site for implantation, and the vagina is the birth canal.
Step 2
Indicate on your diagram where each of the following events takes place; fertilisation, implantation.
Answer
Fertilisation occurs in the oviduct (Fallopian tube), where the sperm meets the egg. After fertilisation, the zygote travels to the uterus, where implantation takes place. Indicate these locations on your diagram with arrows or marks.
Step 3
What is the menstrual cycle? Outline the main events of the menstrual cycle.
Answer
The menstrual cycle is a monthly cycle in the female body that prepares the uterus for potential pregnancy. It includes several main events:
- Menstruation: Shedding of the uterine lining (endometrium).
- Follicular Phase: Follicle-stimulating hormone (FSH) stimulates the growth of ovarian follicles containing eggs.
- Ovulation: The release of a mature egg from the ovary, regulated by luteinizing hormone (LH).
- Luteal Phase: The corpus luteum forms and secretes progesterone, thickening the uterine lining for potential implantation. If fertilisation does not occur, the lining breaks down, leading to menstruation.