The two major control systems in the body are the ______ system and the ______ system.
a. cardiovascular; endocrine
b. nervous, endocrine
c. nervous, muscular
d. endocrine, muscular
Ans: b. nervous, endocrine
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Structurally, lymph vessels are most similar to ________.
A. arteries B. veins C. capillaries D. venules E. arterioles
During an action potential, depolarization is due to ____ ions ______ the cell.
Fill in the blank(s) with the appropriate word(s).
Which are characteristic of type A blood?
a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen A on its erythrocytes d: Has surface antigen B on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes f: Will agglutinate with blood type B A. b, c, d, f B. a, c, d, f C. a, d, f D. b, c, f E. a, c, f
Usually, awareness of the stimulus occurs before a reflex action has been initiated.
Answer the following statement true (T) or false (F)