Podcast
Questions and Answers
During ______, the heart relaxes and blood fills the heart chambers.
During ______, the heart relaxes and blood fills the heart chambers.
diastole
The ______ valve is located on the right side of the heart.
The ______ valve is located on the right side of the heart.
tricuspid
The ______ node acts as a pacemaker generating electrical impulses in the heart.
The ______ node acts as a pacemaker generating electrical impulses in the heart.
sinoatrial (SAN)
During ______, ventricles contract and blood is pumped out of the heart.
During ______, ventricles contract and blood is pumped out of the heart.
Signup and view all the answers
The ______ fibers conduct the electrical signals throughout the ventricles.
The ______ fibers conduct the electrical signals throughout the ventricles.
Signup and view all the answers
The right ventricle ejects blood to the ______, which carries it to the lungs.
The right ventricle ejects blood to the ______, which carries it to the lungs.
Signup and view all the answers
After blood ejection, the ventricles enter ______, which allows them to relax and decrease pressure.
After blood ejection, the ventricles enter ______, which allows them to relax and decrease pressure.
Signup and view all the answers
The semilunar (SL) valves close to prevent ______ of blood into the ventricles.
The semilunar (SL) valves close to prevent ______ of blood into the ventricles.
Signup and view all the answers
The atrioventricular (AV) valves reopen to allow blood to flow from the ______ to the ventricles.
The atrioventricular (AV) valves reopen to allow blood to flow from the ______ to the ventricles.
Signup and view all the answers
The cardiac cycle ______ after each complete sequence of events.
The cardiac cycle ______ after each complete sequence of events.
Signup and view all the answers
