Answer:
It moves through the coronary arteries to the heart.
Explanation:
Once blood as been oxygenated in the lungs, it has completed the pulmonary cycle and then enters the heart. It enters the heart through the coronary arteries. Once it is in the heart it can be pumped throughout the body
Your answer is...
D. Abstinence
I learned it in health class...
You do it before a lab so as to prevent contamination of the materials. You might have things on your hands that might contaminate the experiment and the research. You do it after because you don't want to have things from your experiments on your hands because that can be extremely dangerous.