Question

f) 2{(x + 1) + (x + 2)} = {(x + 3) + (x + 4)
$351)12$
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Answer 1

Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery.

Answer 2

Answer:

pls mark me brainliest answer