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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.
Created by: Ayala1



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