THE MALE
REPRODUCTIVE
SYSTEM
, Learning points
State the key areas Describe the role Explain how sperm
of the male of each part of the and urine are
reproductive male reproductive moved around the
system. system. system.
, The structure of a sperm
before fertilization
Parts and functions
The head is mostly made up of the nucleus which contains 22 Head
autosomes and one sex chromosome (X or Y). middle
piece
The acrosome (also in the head) contains enzymes that
dissolve the outer layer of the egg allowing fertilisation to
occur.
acrosome
The middle portion contains mitochondria which provide
energy for the movement of the sperm cell.
tail
The long tail allows the sperm cell to propel itself forward (to {flagellum} mitochondria
swim) through fluid. centriole
Nucleus
neck
REPRODUCTIVE
SYSTEM
, Learning points
State the key areas Describe the role Explain how sperm
of the male of each part of the and urine are
reproductive male reproductive moved around the
system. system. system.
, The structure of a sperm
before fertilization
Parts and functions
The head is mostly made up of the nucleus which contains 22 Head
autosomes and one sex chromosome (X or Y). middle
piece
The acrosome (also in the head) contains enzymes that
dissolve the outer layer of the egg allowing fertilisation to
occur.
acrosome
The middle portion contains mitochondria which provide
energy for the movement of the sperm cell.
tail
The long tail allows the sperm cell to propel itself forward (to {flagellum} mitochondria
swim) through fluid. centriole
Nucleus
neck
