The middle piece of sperm provides:

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

In humans, the fertilization takes place in:

The normal gestation period in humans is:

Name the following:

(a) The fluid surrounding the developing embryo.

(b) The body part in which the embryo develops.

(c) The membrane which protects the foetus and encloses a fluid.

(d) The canal through which the testes descend into the scrotum just before birth in a human male child.