Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
Answer:
your answer would be B. on ed 2020 or dopamine
Explanation:
I don’t think it spread diseases, but I think it can cause disease
Side effect
side effect is an effect, whether therapeutic or adverse, that is secondary to the one intended
Emotional intelligence is your ability to recognize and understand emotions in yourself and others, and your ability to use this awareness to manage your behavior and relationships.