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Cardiovascular
Term | Definition |
---|---|
What is the cardiovascular system made up of? | Heart, blood, and blood vessels |
Whats does it function as? | As a freeway of your body carry various elements and nutrients throughout your body. |
How long would be the vessels be if they were stretched out. | More than 60,000 miles. |
where do the blood vessels travel? | in one direction. |
What do twenty major arteries turn into? | they form into smaller branches called arterioles. |
What do arterioles branch into? | A single cell think vessel called capillaries. |
What do capillaries do? | They drop off and pick up substances and pass thru the tissues of the body. |
What do the Vein's specialized valves do? | It prevents blood from flowing back |
How much blood does a healthy human contain? | Approx. 5 liters of blood. |
What do white blood cells do? | They function to help fight against viruses or any sickness. |