1. pump blood into the pulmonary trunk from the right ventricle and into the aorta from the left ventricle
2. it occur as the heart beats, pumping blood through a system of blood vessels that carry blood to every part of the body.
3. incorrect question
The Richter scale is a way of giving the intensity of all earthquakes a numerical value. this allows the strengths of different earthquakes to be compared. Because of this, i think the best answer is D
Answer:
por favor, ingles para bio
Explanation:
So all biologists around the world know what exactly is being talked about.