Podcast
Questions and Answers
Blood is ejected from the right ventricle to the ______, then to the lungs.
Blood is ejected from the right ventricle to the ______, then to the lungs.
pulmonary artery
During diastole, the ventricles ______ after blood is ejected.
During diastole, the ventricles ______ after blood is ejected.
relax
The ______ valves close to prevent backflow into the ventricles.
The ______ valves close to prevent backflow into the ventricles.
Semilunar (SL)
The cycle repeats as the AV (______) valves reopen, allowing blood to flow from the atria to the ventricles.
The cycle repeats as the AV (______) valves reopen, allowing blood to flow from the atria to the ventricles.
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Blood is ejected from the left ventricle to the ______, then to the body.
Blood is ejected from the left ventricle to the ______, then to the body.
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During ______, the heart is relaxed and blood fills the heart chambers.
During ______, the heart is relaxed and blood fills the heart chambers.
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The ______ valve is located on the right side of the heart and allows blood to flow from the atria to the ventricles.
The ______ valve is located on the right side of the heart and allows blood to flow from the atria to the ventricles.
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The ______ is the pacemaker of the heart, generating electrical impulses for atrial contraction.
The ______ is the pacemaker of the heart, generating electrical impulses for atrial contraction.
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After the atria contract, there is a delay at the ______ to allow sufficient emptying before ventricular contraction.
After the atria contract, there is a delay at the ______ to allow sufficient emptying before ventricular contraction.
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Increased pressure in the ventricles causes the ______ valves to close, preventing backflow of blood.
Increased pressure in the ventricles causes the ______ valves to close, preventing backflow of blood.
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