(a)[4]
Explain why the acrosome and the mitochondria are important for sperm cell function.
(b)[3]
Complete Table 8.1 by giving the differences in egg cell and sperm cell size, motility and numbers produced.
(c)[3]
Calculate the percentage decrease in the number of eggs from birth to puberty. Give your answer correct to one decimal place.
(d(i))[1]
State the name of the structure labelled T in Fig. 8.1.
(d(ii))[2]
State the functions of the parts labelled R and S in Fig. 8.1.
(d(iii))[2]
Describe what the placenta does.