It is a muscle that pumps blood through the blood vessels to all parts of the body.

They are tubes that carry blood. There are three different types.

They carry blood out of the heart to all cells of the body.

They carry blood back to the heart from all parts of the body.

They are tiny blood vessels with tiny walls that connect arteries to veins.

It is a wall that divides the heart into the right and the left part.

They are the chambers where blood enters the heart.

They are the chambers that push blood out of the heart.

It is the liquid that carries blood cells through blood vessels.

They are cells that fight against viruses and bacteria to avoid infections in our body.

They are cells that carry oxygen and carbon dioxide.

They are cells form a cloth and scabs in cuts in blood vessels.

It is the circulation between the lungs and the heart to eliminate carbon dioxide and get oxygen.

It is the circulation between the heart and all cells in the body.