Answer the following questions in relation to the typical human female menstrual cycle - Leaving Cert Biology - Question b - 2016
Question b
Answer the following questions in relation to the typical human female menstrual cycle.
(i) State one change that occurs, and the approximate days(s) of the cycle o... show full transcript
Worked Solution & Example Answer:Answer the following questions in relation to the typical human female menstrual cycle - Leaving Cert Biology - Question b - 2016
Step 1
State one change that occurs, and the approximate days(s) of the cycle on which it occurs.
1. in the endometrium.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The endometrium breaks down or sheds, occurring approximately from Days 1 to 5 of the cycle.
Step 2
State one change that occurs, and the approximate days(s) of the cycle on which it occurs.
2. in the ovary.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In the ovary, a follicle, which may contain an ovum or egg, matures during Days 1 to 14.
Step 3
FSH and LH each plays a role in the cycle. Where in the body are these hormones produced?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
FSH (Follicle Stimulating Hormone) and LH (Luteinizing Hormone) are produced in the pituitary gland.
Step 4
State one role of each of these hormones in the cycle.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
FSH stimulates the development of follicles in the ovaries, while LH triggers ovulation and the development of the corpus luteum.
Step 5
Name two other hormones that play a role in the cycle.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Two other hormones that play a role in the menstrual cycle are oestrogen and progesterone.
Step 6
Stating clearly which of the two hormones you have chosen from (iv), give a function in the cycle of that hormone.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Oestrogen functions to stimulate the thickening of the endometrium in preparation for potential implantation, typically occurring after ovulation.
Join the Leaving Cert students using SimpleStudy...
