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14 Cards in this Set
- Front
- Back
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What is the circulatory system composed of? |
The cardiovascular and pulmonary systems. |
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The cardiovascular system includes: |
the heart, blood, and blood vessels. |
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The pulmonary system consists of: |
Lungs and muscles that allow breathing |
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What is the name of the cavity that holds the heart? |
The pericardial cavity. |
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What are the four chambers of the heart? |
The right and left atria, and the right and left ventricles. |
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Areteries are blood vessels that carry blood in which direction? |
Away from the heart to the capillaries |
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Veins are blood vessels that carry blood in which direction? |
from the capillaries back to the heart |
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What is the largest artery in the body? |
The aorta |
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What are the 2 main veins called? |
The superior vena cava and inferior vena cava |
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What are the series of events that occur during one heartbeat (cardiac cycle)? |
Atrial systole, ventricular systole, relaxation phase, and refilling phase. |
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What are the steps of bloodflow through the heart? |
superior and inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, L/R pulmonary arteries, L/R lungs, 4 pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aortic artery, and to the body |
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What are capillaries? |
Tiny blood vessels that transport blood from the arteries to veins within the body. |
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What do the capillaries also serve as? |
a location for exchange of oxygen, carbon dioxide, fluid, and nutrients within the body. |
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What are the 4 valves that prevent back flow into the hearts chambers after a contraction? |
*tricuspid and pulmonary valves on the right side *mitral and aortic valves on the left side |
