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Where in the bone is at stored?

osteons

spongy bone

C bone marro

aversian canals
o are children s bones di erent than adult bones?

Children s bones have e er

osteoblasts

Children s bones have more

red bone marro
ssi ication is slo er in children s bones
he osteon system in children s bones is not ully
developed

What is the main cause o rapid breathing muscle pain and muscle
atigue during intense e ercise?

C

C iodine

lactic acid

When a muscle is stimulated by a nerve impulse hat electrolyte is

released into the myo ibrils?

calcium

o ygen

C potassium

sodium

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