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| It is primary a shell with four chambers inside, each fills with its own blood. The atria are the two top chambers and ventricles are the two bottom chambers. A wall called the septum separates the left and right sides of the heart. Deoxygenated blood goes to the right ventricle where it will pick up oxygen in the lungs. Oxygenated blood goes to the left ventricle where it'll be pumped throughout the body. |
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| Blood is the only tissue that flows throughout the body. This liquid carries oxygen and nutrients to all parts of the body, and transports waste products to the lungs, kidneys, and liver for disposal. It is also an essential part of the immune system, crucial for fluid and temperature balance and a highway for hormonal messages. |
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| Hollow tubes running throughout the body, through which blood circulates. There are five types of blood vessels to pump blood out to the body and to return blood back to the heart and lungs. |
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Definition
-Blood pressure is the surge of blood against the blood vessel walls, measured in millimeters of mercury.
- Important because can indicate hypertension or cardiac fitness of individuals |
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