18. Which of the following is the function of the male reproductive system? *
1 point
a. Aids ovulation
b. Facilitates annual menstrual cycle
c. Produces egg cell and progesterone
d. Produces sperm cell
19. Which is the external part of the male reproductive system? *
1 point
a. Urethra
b. Fallopian tube
c. Penis
d. Testes
20. Which fluid carries the sperm cell? *
1 point
a. Urine
b. Semen
c. water
d. vesicle​