4.4 Questions

1. Name the structure that

can supply nutrients and

oxygen to implanted

embryo

2. What is the function of

the head of the sperm ?

3. Normally how long does

it takes the embryo to form a complete foetus ?

4. What happens to the

ovum that has been fused with sperm on stage 4 ?

5. What is the function of

umbilical cord ?

6. What is the part that

being cut when baby is

born ?

7. Explains the 6 steps of the ovum :

8. State the function of

placenta :

9. Why does the umbilical

cord is cut off immediately after born ?

10. What is the effects to

fallopian tube of an overweight woman ?

1. Placenta 2. Penetrates the egg membrane 3. 9 months 4. A ball of cell forms after several hours 5. to obtain nutrients and oxygen from mothers blood 6. Umbilical cord 7. a) Ovulation releases an egg into oviduct b) fertilisation forms zygote c) zygote divides d) A ball cells forms after several hours e) Repeated cell divisions form an embryo f) Implantation of the embryo 8. supply nutrients and oxygen to implanted embryo 9. Baby are now can breathe by its own 10. blockage of the thick fat layer

Answer :