Blood is moved through the vascular system by
A. valves in the wall of the blood vessels.
B. peristalsis caused by smooth muscle in the blood vessel walls.
C. pressure gradients created by the heart.
D. osmotic pressure.
E. viscosity of the blood.
C
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The following is a list of vessels and structures that are associated with the heart. What is the correct order for the flow of blood entering from the systemic circulation? 1. right atrium 2. left atrium 3. right ventricle 4. left ventricle 5. venae cavae 6. aorta 7. pulmonary trunk 8. pulmonary veins
A) 1, 2, 7, 8, 3, 4, 6, 5 B) 1, 7, 3, 8, 2, 4, 6, 5 C) 5, 1, 3, 7, 8, 2, 4, 6 D) 5, 3, 1, 7, 8, 4, 2, 6 E) 5, 1, 3, 8, 7, 2, 4, 6
If gases are released as digestion of food begins in the stomach, where is it most likely to accumulate?
A. Fundus B. Body C. Pyloric D. Both "Fundus" and "Pyloric" are correct.
Genes present in heterochromatin are more readily expressed than euchromatin.
Answer the following statement true (T) or false (F)
What artery serves the lower limb?
A. External iliac artery. B. Subclavian artery. C. Left common carotid artery. D. Femoral artery.