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

question 14

Multiple Choice

Heart rate is increased 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)positive feedback.

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Definitions:

Gnetophytes

A phylum of gymnosperm plants with unique features distinguishing them from other gymnosperms.

Vessel Elements

Components of the xylem tissue in plants, responsible for water transportation throughout the plant.

Angiosperms

A group of plants that have flowers and produce seeds enclosed within a carpel; includes most of the world’s flora.

Gene Function

Describes the role a gene plays in an organism, including the production of proteins that carry out specific tasks.