Heart Rate Is Affected by the Release of Epinephrine by the Adrenal

question 43

Multiple Choice

Heart rate is affected by the release of epinephrine by the adrenal medulla into the bloodstream.This is an example of

• A)Endocrine control
• B)Exocrine control
• C)Paracrine control
• D)Direct neural control
• E)None of the choices are correct

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Definitions:

Equator

The Equator is an imaginary line around the Earth's surface located equidistant from the North and South Poles, dividing the Earth into the Northern and Southern Hemispheres.

Latitude

A geographic coordinate that specifies the north-south position of a point on the Earth's surface.

Permafrost

Of arctic tundra, a perpetually frozen layer of soil that prevents water from draining.

Biome

A region (often discontinuous) characterized by its climate and dominant vegetation.