How does blood flow through the heart Simple?
The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
What are the 9 steps of blood flow through the heart?
Blood flows through the heart in the following order: 1) body –> 2) inferior/superior vena cava –> 3) right atrium –> 4) tricuspid valve –> 5) right ventricle –> 6) pulmonary arteries –> 7) lungs –> 8) pulmonary veins –> 9) left atrium –> 10) mitral or bicuspid valve –> 11) left ventricle –> 12) aortic valve –> 13) …
How does blood circulate through the body?
Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body’s tissues through the aorta.
What are the steps of blood flow?
Here are the steps for blood flow to the heart: to the superior and inferior vena cava,then to the right atrium.through the tricuspid valve.to the right ventricle.through the pulmonic valve.to the pulmonary artery.to the lungs.
What is the blood cycle through the heart?
In one complete cardiac cycle, the blood passes through the heart two times and so the cardiac cycle is known as double circulation. In the first cycle, deoxygenated blood is pumped out of the heart to the lungs and in the second cycle, oxygenated blood is pumped out of the heart to the various parts of the body.
How does blood move through the heart and lungs?
The blood moves through the body in a circle, moving into the heart and then back out of it on the other side. When blood enters the heart muscle, it goes in on the right side. This blood is depleted of oxygen. It then enters the lungs and is pushed back into the heart on the left, where it is then pumped into the rest of the body.
What causes blood to flow through the blood vessels?
Atherosclerosis and cholesterol. These deposits are made up of cholesterol, fatty substances, cellular waste products, calcium and fibrin (a clotting material in the blood). As plaque builds up, the wall of the blood vessel thickens. This narrows the channel within the artery, which reduces blood flow.