Which Statement About the Heartbeat in Mammals Is True

question 15

Multiple Choice

Which statement about the heartbeat in mammals is true?

• A) Only the ventricles contract in unison.
• B) Only the atria contract in unison.
• C) Atria contract in unison,and ventricles contract in unison.
• D) The atrium and ventricle on the right side of the heart contract in unison.
• E) The atrium and ventricle on the left side of the heart contract in unison.

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Definitions:

Wernicke's Aphasia

A language disorder caused by damage to the Wernicke's area of the brain, leading to difficulty in understanding spoken language and producing coherent sentences.

Symptoms

Signs or indications of a disease, disorder, or other physical or mental conditions.

Sympathetic

Pertains to the part of the autonomic nervous system that controls the body's responses to stress and activates the flight-or-fight response.

Parasympathetic

Part of the autonomic nervous system responsible for conserving energy and controlling bodily functions during restful states.