The correct answer is the left atrium receives the newly oxygenated blood.
Is there more to this question?
The nervous system in one's body sends signals to the muscles to contract in order to move or perform a task like walking. The respiratory system sends oxygen to the muscles in order to provide energy for those actions
There is nothing to choose from?
Answer:
I am pretty sure that the correct answer is smallpox but I'm not too sure.
