Answer:
a greater volume of blood returning to the heart
Explanation:
Your heart rate goes up when your heart starts pumping faster.
The answer would be B.) Interphase.
<span>Interphase is considered to be the 'living' phase of the cell, in which the cell obtains nutrients, grows, copies its DNA, and conducts other "normal" cell functions. The majority of eukaryotic cells spend most of their time in interphase. Interphase does not describe a cell that is merely resting but is rather an active preparation for cell division</span>
They assemble amino acids into proteins.