The hepatic portal system:
a. is the second capillary system
b. receives venous blood from the digestive system
c. helps maintain glucose homeostasis
d. all of the above
d. all of the above
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Calcitonin raises plasma Ca2+ concentration and is important for controlling Ca2+ metabolism
a. True b. False Indicate whether the statement is true or false
Which type of lymphocyte has coreceptors that assist in the interaction of the lymphocyte with a cell presenting antigen?
A. B-lymphocyte B. T-lymphocyte
A type of arthritis that involves accumulations of uric acid crystals is calledÂ
A. osteoarthritis. B. gout. C. rheumatoid arthritis. D. osteoporosis.
Which of the following is correct regarding the spleen? Select one:
a. It changes undifferentiated lymphocytes into competent lymphocytes. b. It is necessary for life. It can't be removed without causing death. c. It has additional digestive functions. d. It produces several different hormones with unknown function. e. It filters damaged red blood cells from the blood.