Answer:
Exercise is an important part of weight loss because when a person do exercise there will start sweating. Sweating results weight loss.
Answer:
Oxygenated blood flows back to the heart through the pulmonary vein, back into your left atrium.
Hope this (maybe) helps!
Explanation:
Answer:
I think that would be the carnicores, whatever is at the top of the chain/web
Explanation: they only get energy from producers by eating the animals that ate the producers. For example, we get energy from plants by eating a cow.