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Overview of the Heart

Horizontales
The left ___ pumps oxygen rich blood to the body
This valves is between the left atrium and left ventricle
There are ___ chambers in the heart
Oval shaped thin tissue between right and left atria
Oxygen-poor blood flows through this side of the heart
A period of time of inactivity when tissue cannot be electrically stimulated
This bundle conducts electrical signal from the right atrium to the left atrium
Verticales
This side of the atrium receives oxygen rich blood from the lungs
____ node imposes a slight delay on the signal to allow the atria time to contract and empty
This is the innermost layer of tissue in the heart
This valve is a semi-lunar valve that allows blood to flow from the LV to the aorta
The ______ sinus returns oxygen poor blood to RA and wraps around the left side of the heart
The capacity of a cell to initiate electrical signals
This valve lies between the right atrium and the right ventricle
This is the primary pacemaker of the heart located in the high right atrium