circulation

Question	Answer
what is circulation	consists of your heart, blood vessels and blood
what are blood vessels	the road which the blood takes to the body.
what are arteries	arteries are blood vessels that carry blood from your heart
what are capillaries	blood vessels that extend though the body
what do the walls of arteries need to be	tough and elastic
how much blood vessels in a child	97,00 km
how much blood vessels in an adult	161,000 km
how thick are capillaries	1 cell thick
what do capillaries form	veins
capillaries are a network of what	veins and arteries
what are veins	blood vessels that carry blood to the heart
what are bruises	dead blood
what si the size of your heart	the size of your fist clenched
what muscle is the heart made of	cardiac muscle
why is the circularity system a double system	it has 2 different circuits
what is blood rich in oxygen called	oxygenated blood
what is blood with carbon dioxide called	deoxygenated blood
how many chambers does the heart have	4 chambers
what are the 3 phases of heartbeat	the 2 atria contract, the ventricles contract, and the heart muscle relaxes
what are the 2 blood cells	red and white blood cells

Resource summary

	Created by muhammad ihtasham about 8 years ago