epicardium, the outermost protective layer of the heart.
myocardium, the middle layer, a muscle that contracts to pump blood
endocardium, the innermost layer that lines blood vessels and protects the heart chambers.
hope this helps
"NHL Treasures" is the 2011 updated <span>book on the NHL that includes 30 interactive facsimiles of memorabilia creatively inserted into the pages. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
<span>A. This statement is true.
B. This statement is false. Adolescents who are active require more calories and nutrients than those who are inactive.
C. This statement is true.
D. This statement is true.
</span><span>Mark my answer as brainlist please if correct if not anyways have a blessed day!!
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Answer:
The answer is B. It increases oxygen flow to the muscles
