1) If a person has neither of the two blood antigens, what is his or her blood type?
A
B
O
AB
(i chose o)
4) Testosterone is produced in the?
testes
bulbourethral glands
prostate glands
seminal vesticles
(i chose seminal 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 varicose veins)
1) If a person has neither of the two blood antigens, his or her blood type is O. This can be determined by understanding the ABO blood typing system, which categorizes blood types based on the presence or absence of specific antigens on red blood cells. The two main antigens in this system are A and B. If a person lacks both A and B antigens, they have blood type O.
4) Testosterone is primarily produced in the testes. Testes are the male reproductive organs responsible for the production of sperm and the secretion of testosterone, which plays a crucial role in male sexual development and characteristics. Other structures like the bulbourethral glands, prostate glands, and seminal vesicles also play roles in male reproductive function, but testosterone production primarily occurs in the testes.
6) The type of cell that is capable of digesting and engulfing dangerous particles or cells harmful to the body is a phagocyte. Phagocytes are a type of white blood cell that have the ability to recognize and ingest foreign substances, such as bacteria and other pathogens, to help protect the body against infections. They play a crucial role in the immune response.
7) The thickening and hardening of the artery wall is called arteriosclerosis. Arteriosclerosis is a condition characterized by the buildup of plaque and the loss of elasticity in the arterial walls, leading to a narrowing and hardening of the arteries. This condition can restrict blood flow and potentially lead to various cardiovascular diseases, such as heart disease and stroke. Varicose veins, on the other hand, refer to abnormally swollen and twisted veins typically found in the legs. Though both conditions involve changes in blood vessels, they are distinct from each other.