Reproduction: Menstrual Cycle Flashcards
1
Q
How long does the menstrual cycle last?
A
28-32 days
2
Q
What is the menstrual cycle?
A
It is a series of events that occur in the female reproductive system
3
Q
What causes the menstrual cycle?
A
It is controlled by chemicals called sex hormones. These are made in the brain and ovaries.
