The Heart
Blood
Blood Vessels
100

Receives blood from the right atrium and pumps blood into the pulmonary artery.

Right Ventricle.

100

Fluid that makes up blood.

Plasma.

100

Connects arterioles with venules(AKA the smallest veins)

Capillaries.

200

Muscular wall that separates the heart into right and left sides.

The septum.

200

The three main types of blood cells.

Erythrocytes, leukocytes, and thrombocytes. 

200

Carries blood towards the heart. 

Veins.

300

The largest artery in the body. 

Aorta.

300

Also known as white blood cells 

Leukocytes.

300

Smallest branches of arteries. 

Arterioles.

400

Receives oxygenated blood from the lungs. 

Left atrium.

400

Type of blood cell that contains hemoglobin.

Erythrocytes.

400

Carries blood away from the heart. 

Arteries. 

500

Smooth layer of cells that lines the inside of the heart.

Endocardium.

500

Blood cell that lacks nuclei and varies in shape and size. 

Thrombocytes. 

500

Smallest branches of veins. 

Venules.