In the given diagram of human sperm, identify the functions of the labelled parts. a, b and c.

a→ Helps in penetration of sperm into ovum.
b→ Helps in movement of sperm.
c→ Provides energy for the movement of sperms into the female reproductive tract.
a→ Helps in penetration of sperm into ovum
b→ Provides energy for the movement of sperm
c→ Helps in movement of sperm
a→ Helps in movement of sperm
b→ Helps in penetration of sperm into ovum
c→ Provides energy for the movement of sperms
a →Provides energy for the movement of sperm
b→ Helps in movement of sperm
c→ Helps in penetration of sperm into ovum