Life sciences

Last updated about 6 years ago
12 questions
2

On which day of the menstrual cycle does ovulation usually take place?

2

What happens to the Graafian follicle after ovulation?

2

Name the TWO hormones that are released by structures in the ovaries

2

Give TWO substances that can move from the mother to the foetus through the placenta

2

Give THREE functions of the amniotic fluid

2

Condom acts as a barrier, stops sperm getting into the vagina

2

Loop/IUD's purpose is that it acts as a sperm duct

2

Female sterilisation (tubal ligation) The fallopian tubes are cut and tied during a small surgical operation preventing the fusion of sperm and egg

2

Withdrawal is when Sexual intercourse is avoided three to four days before and after ovulation (between days 10 and 18 of the menstrual cycle)

2

Withdrawal The penis is taken out of the vagina before ejaculation, but this is not a safe method because many sperms can be released before ejaculation

10

Explain the difference between a barrier method of contraception and a contraceptive that uses hormones.

5

Explain how an IUD prevents pregnancy