Answer:
absorption of oxygen
Explanation:
the others would not make sense so i think this is the answer
Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
Smooth muscle.
Blood vessels contain smooth muscle in their walls. Cardiac muscle is heart muscle specifically. Skeletal muscle is muscle that forms the voluntary muscles.
Answer:
its day 14 and 15 . relative formation concernatural c
Explanation:
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I just know
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