Answer:
the answer is F oxygenated blood circulates back into the heart and is then pumped to all parts of the body through the arteries
Around 3-4% is the answer.
A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce.
The process is called interphase
The rhythmic contractions of the stomach and food along the alimentary canal is called peristalsis