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.
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.
During ______, the heart is relaxed and blood fills the heart chambers.
During ______, the heart is relaxed and blood fills the heart chambers.
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.
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.
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.
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.
Flashcards
Systole (Contraction)
Systole (Contraction)
The phase of the heartbeat where the ventricles contract and force blood out of the heart. It's like squeezing a toothpaste tube to push out the paste.
Right Ventricle Ejection
Right Ventricle Ejection
Blood is ejected from the right ventricle to the pulmonary artery, which carries it to the lungs for oxygenation. It's the first step in the blood circulation process.
Left Ventricle Ejection
Left Ventricle Ejection
Blood is ejected from the left ventricle to the aorta, which carries it to the rest of the body.
Diastole (Relaxation)
Diastole (Relaxation)
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Semilunar (SL) Valves
Semilunar (SL) Valves
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Diastole
Diastole
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Tricuspid Valve
Tricuspid Valve
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Sinoatrial Node (SAN)
Sinoatrial Node (SAN)
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Atrioventricular Node (AVN)
Atrioventricular Node (AVN)
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Bundle of His and Purkinje Fibers
Bundle of His and Purkinje Fibers
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