B2 Biology Flashcards
1
Q
What is a stem cell
A
An undifferentiated cell
2
Q
What happens in stage 1 of the menstrual cycle
A
Uturen lining breaks down
3
Q
What happens in stage 2 of the menstrual cycle
A
FSH secreted, egg matures
4
Q
What happens in stage 3 of menstrual cycle
A
Uturen lining thickens, oestrogens secreted. The egg is released from the ovarys
5
Q
What happens in stage 4 of the menstrual cycle
A
Uturen lining maintained
6
Q
What are the 4 hormones used in the menstrual cycle
A
FSH,Oestrogen,LH, Progesterone
