Answer the following statement(s) true (T) or false (F)
1. Blood flow through a capillary bed is regulated by precapillary sphincters.
2. Large veins, medium veins, and venules have valves to prevent the backflow of blood.
3. The pulmonary circuit is the only route in which arteries carry less oxygen than veins.
4. Lung tissue receives nourishment and waste removal from the pulmonary circuit.
5. The three primary branches of the celiac trunk are the common hepatic, left gastric, and splenic veins.
6. Arterial flow to the lower limb comes from the external iliac artery.
1. True
2. False
3. True
4. False
5. False
6. True
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Ribosomes transcribe DNA into RNA.
Answer the following statement true (T) or false (F)
What muscle action means to make a circle with part of the body?
A. Rotation B. Circumduction C. Pronation D. Supination
Which nervous system controls the migrating motor complex of the small intestine?
A) sympathetic nervous system B) enteric nervous system C) somatic nervous system D) central nervous system
Which of the following are true regarding evolution of the human forelimbs for bipedalism? Select all that apply.
A. The hands are better adapted for handling objects. B. The shoulder joint has less mobility than the hip joint. C. They are shorter than the hindlimbs. D. They are less muscular than the hindlimbs.