The tricuspid valve allows blood to move through the right ventricle into the right atrium. It is found between the right atrium and right ventricle. Which of the following statements about the tricuspid valve is true?
1) Allows blood to move through the right ventricle into the right atrium
2) Found between the right atrium and right ventricle
3) Forces blood from the left atrium to the left ventricle
4) Keeps blood from moving backwards from the aorta into the ventricle