Lactic acid buildup when you’re exercising causes a build up of oxygen. Your body cannot break down glucose in the blood. So, your heart beat increases because there is more oxygen than normal needing to be pumped throughout the body.
In short terms: because your heart needs to pump more oxygen, it is pumping faster causing a faster heart rate.
The correct answer is A buildup of lactic acid in the tissues I think. I hope this helped dear:)
Our muscles are attached to our skeleton to help us move. If we had no skeleton then our muscles would hang limply, making it harder for us to move.
Answer:
that cannot be changed because of it dominancy
Answer:
The would both accelerate because they have the same amount of mass and your applying the same force.
Explanation:
