Secretions from which one of the following are rich in fructose, calcium and some enzymes?
Male accessory glands
Liver
Pancreas
Salivary glands
Most mammals have their testis sac called scrotal sac which is for
Which organ of human is not paired ?
Which of the following cells are present in mammalian testes and help to nourish sperms
In man the two vasa deferentia open into
The following diagram refers to female reproductive system of human. Identify $A$ to $E$