How are sperm cells adapted for their function?

How are sperm cells adapted for their function ?
A. 1) Sperm cell is adapted to its function by carrying genetic information to an egg.
2) It has a stream lined body that allows it to move quickly.
3) They also contain large number of mitochondria in the mid region, so it is able to produce a lot of energy in order to operate tail.
4) Special structure in the head called acrosome helps in penetrating the ovum.
5) The head of the sperms also contains enzymes to break down and digest the zone on the egg through which it penetrates and can fertilise it.