circulatory system
- Created by: samkpearson
- Created on: 11-03-14 20:38
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- Circulatory system
- Functions
- Transports oxygen and carbon dioxide in and out of the body.
- It does this via blood vessels to organs and muscles in the body.
- Veins are the LARGEST blood vessels they carry deoxygenated blood back to the heart.
- They have thin walls and valves to make sure the blood flows backwards.
- The SECOND LARGEST blood vessel is the artery. They carry oxygenated blood away from the heart to the muscles.
- They have thick walls and this is where your pulse is located.
- Capillaries are the SMALLEST and microscopic blood vessels. They link together veins and arterys.
- They have thin walls that allows oxygen and carbon dioxide to pass through (diffusion) their walls.
- Veins are the LARGEST blood vessels they carry deoxygenated blood back to the heart.
- It does this via blood vessels to organs and muscles in the body.
- Controls body temperature
- The blood absorbs body heat and circulates it around the body keeping you warm.
- Protection
- White blood cells that produce antibodies that fight infection are carried in the blood.
- Transports oxygen and carbon dioxide in and out of the body.
- Functions
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