The Right Atrium

question 24

Multiple Choice

The right atrium

• A) is the location of the pacemaker cells of a normal heart.
• B) prevents blood flow from the right ventricle to the right atrium.
• C) prevents blood flow from the left ventricle to the left atrium.
• D) prevents blood flow from the pulmonary artery to the right ventricle.
• E) prevents blood flow from the aorta to the left ventricle.

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