The heart

THERE IS ONE immediate need for THE HEART ,[object Object],[object Object]

The heart consists of four chambers ,[object Object]

Left ventricle,[object Object]

Right atrium The right atrium receives blood from the Superior and Inferior Vena Cava, this is deoxygenated blood The blood flows from there into the right ventriclethrough the tricuspid valve. Valves are important--they keep blood from flowing back into the heart

Right Ventricle ,[object Object]

Blood from the right ventricle is pushed out of the heart into the pulmonary artery where it is transported to the lungs

There is a valve between the pulmonary artery and the right ventricle-pulmonary semilunar valve

In the lungs oxygen is received into the blood,[object Object]

In left atrium blood is pushed into the left ventricle through the bicuspid valve.,[object Object]

From here blood is pushed out to the body through the aorta.,[object Object]

LAYERS OF THE HEART Epicardium: outermost layer of the heart Myocardium: is the heart muscle Endocardium: innermost layer made up of simple squamous epithelium

What structures can you identify?

The heart

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The heart