It is a fitness portfolio is the answer.
The heart functions as a <span>muscle that helps to pump oxygen around the body.
Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧ </span>
Hello!
Janna will not be able to use the energy through exercise and her heart and lungs will not be able to become as strengthened.
Hope this helps!
Another advantage of anaerobic respiration is its speed. It produces ATP very quickly. For example, it lets your muscles get the energy they need for short bursts of intense activity (see Figure below). Aerobic respiration, on the other hand, produces ATP more slowly.
By me. advantages of anerobic respiration
living beings is that it do not require use of oxygen to get get energy from food. It also happens in our body some time when there is lack of oxygen in us. ( Very Rarely !) and also it produce only 2 ATP.