00:01
All right, so here we're asked, how come respiration increases during aerobic exercise? well, essentially, when we're exercising, our muscles require, or the cells that comprise our muscles, need atp, which is the body's form of energy that are used to continue to contract them over and over again.
00:23
And so we're going to require atp, and atp comes from cell respiration, or at least the majority of it does, which happens in the mitochondria, and one of the inputs that is required for cell respiration is going to be oxygen.
00:38
Oxygen is the electron receptor, and so we need constant oxygen.
00:42
And so the more cell respiration we need to do because we need lots of contraction in our muscle cells, the more oxygen we need, and therefore we will increase our respiration rate to account for this oxygen needed.
00:55
And so we need to deliver more oxygen to the muscles, which will allow for more atp synthesis in the muscles, and also, a byproduct of cell respiration is carbon dioxide...