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Is the right atrium is electrically insulated from the right ventricle?
no, otherwise the SA Node wouldn't be able to control the contraction of the heart
The cell that initiate the stimulus for contraction of the heart muscles are located in the?
The SA Node in the right atrium
The upper chambers of the heart are?
The two upper chambers are called the atria. A single atria is an atrium.
What does contraction of veins do to the venous system?
Contraction of veins would increase venous return to the right atrium. It would increase the efficiency of the heart pumping.
What are the four chambers of the heart are called?
The four chambers are; Left atrium Right atrium Left Ventricle Right Ventricle The two upper chambers are called atria (singular: atrium) and the two lower chambers are called ventricles. There are four chambers of the heart - the right atrium, left atrium, right ventricle and left ventricle.
What are the top parts of the heart called?
right atrium and left atrium
What are the inferior chambers of the heart called?
the ventricles
What are the upper chambers of the mammalian heart called?
the upper chambers of the heart are called the atria. (or atrium singular)
What are the 4 major veins of the heart called?
Right ventricle, left ventricle, right atrium, left atrium.
The heart has four cavities called?
right atrium, left atrium, left ventricle and right ventricle
What are the four parts of a human heart?
4 chambers, the Left and right Atrium which are on the top and the left and right ventricals which are on the bottom
Mention the location and function of thebesian valve.?
LOCATION -> it is situated at the junction of coronary sinus and right atrium. FUNCTION -> it prevents the regurgitation of blood into sinus during contraction of atrium.
