Which statement best defines the vas deferens?
A) It is a gland that contributes alkaline fluid to the semen.
B) It is the foreskin that covers the head of the penis.
C) It is a gland that nourishes sperm.
D) It is a tube that transports sperm into the ejaculatory duct.
Question 2
The male reproductive organ that becomes erect during sexual arousal is the
A) seminal vesicle.
B) testes.
C) urethra.
D) penis.