Which is the phase when the blood enters the heart?

Which is the phase when the blood enters the heart?

The first phase is called systole (SISS-tuh-lee). This is when the ventricles contract and pump blood into the aorta and pulmonary artery. During systole, the atrioventricular valves close, creating the first sound (the lub) of a heartbeat.

What is the path of blood through the vessels?

Blood travels from the heart in arteries, which branch into smaller and smaller vessels, eventually becoming arterioles. Arterioles connect with even smaller blood vessels called capillaries. From the capillaries, blood passes into venules, then into veins to return to the heart.

Where does the blood travels once it enters the heart?

Blood moves into the left ventricle. Blood is pumped into the aorta, which carries oxygenated blood around the body. This unidirectional flow of blood through the heart shows that mammals have a double circulatory system. This means blood travels through the heart twice in one circulation of the body.

What is the correct route of blood through the heart?

On each side of the heart, there are one atrium and one ventricle. Blood from the body goes back to the heart via the right atrium.From the right atrium, blood will then pass through a valve called the tricuspid valve , to go to the next chamber.

What is the blood vessel that brings blood back to the heart?

Veins are large blood vessels which carry blood back to the heart. Systemic veins carry deoxygenated blood. The largest veins are the superior and inferior vena cava, which return blood to the heart from the upper body and lower body respectively. Veins have a system of valves to prevent back-flow.

How is blood transported from the heart and to it?

Systemic circulation refers to the blood’s movement from your heart throughout the body to supply nutrients and oxygen to the body parts and bringing back the deoxygenated blood to your heart. Blood rich in oxygen leaves your lungs and enters your left atrium via the pulmonary veins. It is pumped to your left ventricle via your mitral valve.