Question

Short / Long Answer question Type :
Tell the functions of each part of a sperm cell.

Answer 1

1. Head -

• Head of human sperm is derived from the nucleus.
• It contains mainly DNA.
• It is covered by a cap-like structure termed as an acrosome.

2. The Neck -

• The neck is narrow. It contains a funnel shaped basal body and a spherical centriole.
• Basal body is also called as the connecting piece because it helps to establish a union between the head and the remaining part of the spermatozoon.

3. Middle piece -

• It consists of the mitochondrial spiral, which provides the energy to the sperm to move ahead into the fallopian tube.

4. Tail -

• The tail is covered by a fibrous sheath.
• It is 55 µm in length.