Answer: the atrioventricular heart valve open and closed imcubent on different blood pressure on both sides.
Always think better. For example think of it this way, you may not be alive tomorrow, appreciate what you have.
Also you can just do what you want, once you die, you cant do the things you wanted.
Answer:
British English: side /saɪd/ NOUN. right or left part The side of something is a place to the left or right of it. On the left side of the door there's a door bell.
Explanation:
Lifestyle choices
workplace exposure
naturally occurring exposure
