Answer:
im confused why do questions keep saying they got deleted
Explanation:
I believe the answer is the location of energy sources
Answer:
A
Explanation:
The pulmonary artery carries de-oxygenated blood from the right ventricle of the heart to the lungs. It is the only artery that carries de-oxygenated blood. This blood is usually from the tissues and has a lot of carbon dioxide from the cellular respiration of cells around the body. The blood is pumped to the lungs to be oxygenated and the carbon dioxide expelled.
A) A mixture because they can be taken apart without changing the physical form
