the menstrual cycle

Question 1

what is the menstrual cycle?

Answer 1

when a female loses the lining of the endometrium which has broken down and a small amount of blood cells passes out of the vagina

Question 2

when does the menstrual cycle start?

Answer 2

between the ages of 10 and 14 years old

Question 3

when does the menstrual cycle stop?

Answer 3

between the ages of about 45 and 55 . (stops because of menopause)

Question 4

what is ovulation?

Answer 4

when an egg is release from the ovary

Question 5

why are hormones an important part of the menstrual cycle ?

Answer 5

the hormones act as a chemical messenger. they carry messages to different parts of the body during the menstrual cycle

Question 6

what two hormones are produced by the ovaries?

Answer 6

oestrogen and progesterone

Question 7

what is fertilisation?

Answer 7

when the sperm breaks through the surface of the egg and a baby is created

Question 8

what is implantation?

Answer 8

where the zygote ( fetilised egg) implants itself into the uterus lining