★ Cell & Bond Quiz
The greatest pressure decrease in the circulation occurs across the arterioles because
A. they have the greatest surface area
B. the velocity of blood flow through them is the highest
C. the velocity of blood flow through them is the lowest
D. they have the greatest resistance
Select your answer:

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Skeletal System › Viewalso called scapulae
A. collar bones or clavicles
B. shoulder blades
C. humerus
D. ulna and radius
Body Systems › View
What is the main function of the respiratory system?
A. to provide oxygen and remove carbon dioxide from the body
B. to bring oxygen to the body
C. to break down food and absorb nutrients
D. to remove oxygen from the body and deliver carbon dioxide