I think you spelled the question wrong
Answer:
Tricuspid valve: Allows blood to pass from the right atrium to the right ventricle; prevents blood from flowing back into the right atrium as the heart pumps (systole).
Explanation:
Answer:
Mutualism
Explanation:
both humans and plants benefit from it because we breath out carbon dioxide
Answer:
A. No parent Cells and two daughter cells
C. a toy train is the item that has characteristics similar to a scientific model.
