circulatory system

pulmonary veins

These blood vessels return the oxygen rich blood to the left atrium.

superior vena cava

This blood vessel returns all the oxygen poor blood from the top half of the body.

left ventricle

This chamber pumps blood to the entire body.

right ventricle

This chamber pumps blood to the lungs.

right atrium

This chamber receives the oxygen poor blood from the body.

aorta

This is the largest and strongest blood vessel in the body.

septum

This is the thick muscular wall that separates the right and left sides of the heat.

lungs

This organ is where the body gets rid of the built up carbon dioxide and picks up oxygen

mitral valve

This valve separates the left atrium form the left ventricle.

aortic valve

This valve separates the let ventricle from the aorta.

tricuspid valve

This valve separates the right atrium and the right ventricle.

pulmonary valve

This valve separates the right ventricle from the pulmonary artery.

left atrium

oxygen rich blood from the heart enters this chamber

pulmonary arteries

these blood vessels connect the right ventricle to the lungs.

inferior vena cava

this blood vessel returns all the oxygen poor blood from the lower half of the body.

left atrium

this chamber of the heart receives the oxygen rich blood from the lungs.

right ventricle

this chamber pumps oxygen poor blood to the lungs.