Which of these statements about human reproduction is false? (a) Cilia sweep the egg down the oviduct to the uterus. (b) Fertilization usually takes place in the uterus. (c) Semen contains fluids that...

Which of these statements about human reproduction is false?

(a) Cilia sweep the egg down the oviduct to the uterus.

(b) Fertilization usually takes place in the uterus.

(c) Semen contains fluids that help nourish sperm.

(d) After fertilization, the zona pellucid becomes impenetrable to sperm.