The arteries
a. serve as rapid-transit passageways from the heart because of their large radii
b. act as a blood reservoir because they have the capacity to store large volumes of blood with little change in their internal pressure
c. are the major sites of blood flow resistance in the vasculature
d. are the site of exchange between the blood and surrounding tissues
e. always carry oxygenated blood
A
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Peyer's patches are found in the distal portion of the ________
A) large intestine B) stomach C) small intestine D) esophagus
In the membrane "skin " of a cell, what makes up the hydrophobic interior region?
A. Protein filaments B. Fatty acid "tails" C. Carbohydrate chains D. Phosphate "heads"
Answer the following questions true (T) or false (F)
1. The left side of the heart is often called the systemic pump due to blood flow to the body. 2. From superficial to deep, the pericardial sac consists of the fibrous pericardium, visceral pericardium, parietal pericardium, and the epicardium. 3. The left ventricle has greater muscle mass than the right ventricle since it pumps against greater resistance.
The first pair of ribs are joined to
A. T12, the last thoracic vertebra. B. T1, the first thoracic vertebra. C. T2, the second thoracic vertebra. D. C7, the last cervical vertebra and the clavicles.