Respuesta :
Answer:
a greater volume of blood returning to the heart
Explanation:
Your heart rate goes up when your heart starts pumping faster.
Answer:
A greater volume of blood returning to the heart.
Explanation:
Answer:
a greater volume of blood returning to the heart
Explanation:
Your heart rate goes up when your heart starts pumping faster.
Answer:
A greater volume of blood returning to the heart.
Explanation: