Circulatory System

The most important muscle in the body

Loose, protective membrane surrounding the heart

• pericardial fluid

• pericardium

• myocardium

• epicardium

The only veins in the body that carry oxygenated blood.

• superior vena cava

• iliac veins

• gastric veins

• pulmonary veins

From the left ventricle, blood is pumped into the largest artery, called the ___

"Soldier cells" that fight invading bacteria in the body.

• red blood cells/ red corpuscles

• plasma

• white blood cells/ white corpuscles

• platelets

This muscle in the heart pumps blood by constantly contracting and relaxing

• myocardium

• superior vena cava

• right ventricle

• endocardium

The heart is divided into ___ chambers

Which veins carry blood back to the heart from the brain?

• Gastric Veins

• Jugular Veins

• Coronary Veins

• Big-Brain Veins

___ transports protein from the small intestine to the billions of individual cells that make up the body.

This type of blood cell makes it possible for blood to clot and form scabs and bruises.

• plasma

• platelets

• white blood cells

• palate