Movement of sperm is done by

What is the nature of the human egg?

The plasma membrane of the oocyte and that of the follicle cells show close connections at some points in the form of:

What is the process of release of spermatozoa from the seminiferous tubules called?

What does the middle piece of a human sperm contain?

How many structures in the list given below are haploid? Spermatid,secondary oocyte,primary spermatocyte,ovum,sperm,oogonia,spermatogonia,polar body.