describe cardiac pacemaker cells then give two functions of the cardiac pacemaker cells.

Starting from the right atrium, explain the pathway through the cardiovascular system we need to take to get behind the clot and push it toward the heart. After dislodging the clot, follow it back to the heart.

Trace the path of a red blood cell from the left ventricle to a capillary in the right lung. Name the heart chambers, valves, major blood vessels that the cell would pass through (in order) as well as describing the order of vessel types it would pass through in the lungs and body locations (if appropriate). If there is an option as to the path, choose whatever path you prefer.

____ is the contractile phase of the cardiac cycle and _____ is the relaxation phase of the cardiac cycle