Instructions: Choose the Letter on the Accompanying Map of New

question 76

Short Answer

Instructions: Choose the letter on the accompanying map of New England that correctly identifies each of the following:

New Haven , Connecticut

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Definitions:

Aortic Valve

A valve in the human heart between the left ventricle and the aorta that prevents blood from flowing back into the heart chamber after it has been ejected.

Cardiac Cycle

The sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, encompassing systole and diastole phases.

Pericardium

The fibrous sac that encloses the heart, providing it with protection and a fixed position within the thorax.

Myocardium

The thick, muscular layer of the heart wall responsible for the heart's contracting action.