I’m not sure if you got the wrong number
Answer: FROM THE PULMONARY VEIN
Explanation: oxygen poor blood from the right ventricle into the lungs, where the oxygen enters the bloodstream. The pulmonary veins bring oxygen rich blood to the left atrium.
Sources during exercise based on the type of exercise performed, and therefore in most occasions the body will overlap between aerobic and anaerobic energy pathways. ... Conversely, lower levels of lactic acid means that the aerobic pathway predominated.
Answer:
A
Explanation:
It's basically doing by its own