Look at Figure 11

question 1

Essay

Look at Figure 11.2 in your text. Explain what the different elements of the diagram represent. Be sure to address the large, bold arrows, smaller arrows, boxes, and contents of the boxes.

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Definitions:

Systolic Phase

A phase in the cardiac cycle where the heart contracts, pumping blood out of the ventricles and into the arteries; typically measured as the top number in blood pressure readings.

Aortic Valve

One of the four heart valves that controls blood flow from the heart into the aorta, the body's main artery.

Mitral Valve

A valve in the heart that lies between the left atrium and left ventricle, ensuring unidirectional blood flow through the heart.

Chest Tube

is a medical device inserted into the pleural space to remove air, fluids, or pus, often used in treating conditions like pneumothorax or pleural effusion.