Unlike the Lithosphere,the Asthenosphere ____________

question 42

Multiple Choice

Unlike the lithosphere,the asthenosphere ____________.

• A) is relatively weak and flows readily
• B) has a density similar to the core
• C) varies in thickness from place to place
• D) is relatively cool

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Definitions:

Atrial Kick

The forceful contraction of the atria in the heart just before systole, helping to fill the ventricles with blood.

Diastole

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.

Systole

The phase of the heartbeat where the heart muscle contracts and pumps blood from the chambers into the arteries.

Aortic Area

An anatomical region of the chest where the aorta is closest to the chest wall, often used in cardiovascular assessments.