The Velocity of Blood Flow Is ________

question 64

Multiple Choice

The velocity of blood flow is ________.

• A) in direct proportion to the total cross-sectional area of the blood vessels
• B) slower in the arteries than in capillaries because arteries possess a relatively large diameter
• C) slower in the veins than in the capillaries because veins have a large diameter
• D) slowest in the capillaries because the total cross-sectional area is the greatest

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Definitions:

Ventilation

The process of providing fresh air to a space or the exchange of air to remove stale air, crucial for maintaining healthy indoor environments.

Lungs

Organs located in the chest on either side of the heart that enable the respiration process by exchanging oxygen and carbon dioxide.

Airway Obstruction

A blockage in any part of the airway that impedes normal breathing, potentially life-threatening if not promptly treated.

Growth And Development

The process of physical, cognitive, and socioemotional changes that humans undergo from birth through old age.