Question and answer
Which of the following is true about blood pressure? A. It is not affected by atherosclerosis. B. It is typically lower in veins than in arteries. C. It drops a great deal when traveling through
arteries. D. Diastolic pressure is higher than systolic pressure.
B. It is typically lower in veins than in arteries is true
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Original conversation
User: Which of the following is true about blood pressure? A. It is not affected by atherosclerosis. B. It is typically lower in veins than in arteries. C. It drops a great deal when traveling through arteries. D. Diastolic pressure is higher than systolic pressure.

Weegy: B. It is typically lower in veins than in arteries is true
Batista|Points 397|

User: Into what substance is fibrinogen converted in Step C of Figure 33–1? A. thrombin B. fibrin C. platelets D. thromboplastin

Weegy: Platelets are irregularly-shaped, colorless bodies that are present in blood. Their sticky surface lets them, along with other substances, form clots to stop bleeding. [ ]
Expert answered|aivoramos|Points 10|

User: Which of these structures provides the muscle cells in the heart with a constant supply of oxygen? A. the superior vena cava B. the pulmonary artery C. coronary arteries D. systemic veins

Weegy: heart: A. superior vena cava B. pulmonary artery C. left atrium D ... heart through the coronary arteries. [ These branch out to supply the thick heart muscle with oxygen ... b c d e f g ... ]
Expert answered|aivoramos|Points 10|

User: ?

Weegy: A
Expert answered|aivoramos|Points 10|

User: How does movement of the rib cage change air pressure in the chest cavity? A. When the rib cage raises, an increase in air pressure in the chest cavity causes air to rush into the lungs. B. When the rib cage relaxes, an increase in air pressure in the chest cavity causes air to rush into the lungs. C. When the rib cage raises, a decrease in air pressure in the chest cavity causes air to rush into the lungs. D. When the rib cage relaxes, a decrease in air pressure in the chest cavity causes air to rush out of the lungs.

Weegy: A also
Expert answered|aivoramos|Points 10|

User: Which of these is a function of the lymphatic system? A. production of antibodies B. transport of fat-soluble vitamins to the blood C. protein absorption through the small intestine D. all of the above

Weegy: B
Expert answered|aivoramos|Points 10|

User: Which hormone causes the kidneys to conserve water? A. TSH B. thyroxine C. ADH D. corticosteroids

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Asked 9/22/2012 10:54:52 PM
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