1) If a person has neither of the two blood antigens, what is his or her blood type?

Question

A
B
O
AB
(i chose o)

4) Testosterone is produced in the?
testes
bulbourethral glands
prostate glands
seminal vesticles
(i chose vesticles)

6. What type of cell is capable of digesting and engulfing dangerous particles or cells harmful to the body?
phagocyte
perforins
histamine
antigen
(i chose antigen)

7. the thickening and hardening of the artery wall is called?
arteriosclerosis
varicose veins
congestive vein failure
thrombophlebitis
(i chose thrombphlebritis)