Examine the Figure

question 36

Multiple Choice

Examine the figure. At the center of this object, a cosmologist would expect to find ________.

• A)a black hole or neutron star
• B)a red giant
• C)a protostar or nebula
• D)a barred spiral galaxy

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Definitions:

Venous Compliance

The capacity of veins to expand in response to increased blood volume, an important factor in regulating blood pressure.

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute, an important measure of heart function.

Subclavian Arteries

Major arteries on either side of the body that supply blood to the arms, brain, and thorax.

Vertebral Arteries

Arteries that supply blood to the upper spinal cord, brainstem, and the posterior portion of the brain.