Question

The diagram given alongside is that of a developing human foetus in the womb. Study the same and answer the questions that follow: [5 MARKS]
(a) Name the parts '1' to '5'.
(b) What term is given to the period of development of the foetus in the womb?
(c) How many days does the foetus take to be fully developed?
(d) Mention two functions of the parts labeled '2' other than its endocrine function.
(e) Name the hormone (any one) produced by the part labeled '2'.

Answer 1

Each Part: 1 Mark

(a) 1. Umbilical cord
2. Placenta
3. Amniotic fluid
4. Cervix/Mouth of uterus
5. Uterine wall

(b) The period of development of the foetus in the womb is called gestation period.

(c) The foetus takes 280 days to be fully developed.

(d) The placenta provides nutrition and exchange of gases by diffusion.

(e) Relaxin is produced by the placenta.