Does the foetus inside the mother’s uterus breathe? Yes/No

List the substances which the foetus receives from the mother through the placenta. …………………………

How are carbon dioxide and urea, excreted by the foetus, removed? ……………………………………………………………………

Write one sentence each using the following terms pertaining to reproduction in humans.

(i) Gestation ………………………………

(ii) 280 days ………………………………………………

(iii) Head first ……………………………………………

(iv) Placenta ………………………………………………

(v) After-birth ……………………………………………

(vi) Tied and cut ……………………………………….

Mention if the following statements are True (T) or False (F) :

(i) Placenta produces certain hormones. ………………………T/F

(ii) Amniotic fluid serves to provide oxygen to the foetus …………………. T/F

(iii) Heart and blood vessels have been formed by the end of five weeks of pregnancy. ……………. T/F

(iv) Mother’s blood flows into the foetus through placenta ……………….. T/F