-
!st step
Blood enters the heart throungh a venacava -
2nd step
blood enters the right atrium -
3rd step
blood goes through the tricuspid valve into the right ventricle -
4th step
bllod goes through the pulmonic valve -
5th step
blood goes through the pulmonary artery into the lungs where blood gets oxygen -
6th step
blood returns to the heart going through the pulmonary veins -
7th step
blood is pushed into the left atrium -
8th step
blood travels through the mitral valve into the left ventricle -
9th step
blood moves through the aortic valve then through the body