Circulatory System

What part of your blood carries oxygen to your cells?

• platelets

• red blood cells

• white blood cells

• plasma

What part of your blood carries nutrients, wastes, and hormones, antibodies, and other chemicals?

• platelets

• red blood cells

• white blood cells

• plasma

What part of your blood fights infections?

• platelets

• red blood cells

• white blood cells

• plasma

What part of your blood helps your blood clot when cut?

• platelets

• red blood cells

• white blood cells

• plasma

What type of blood vessel takes blood away from the heart?

• arteries

• veins

• capillaries

What type of blood vessel brings blood back to the heart?

• arteries

• veins

• capillaries

What type of blood vessel has thick, elastic and muscular walls

• arteries

• veins

• capillaries

What type of blood vessel has one-way valves that allow blood to only move in one direction?

• arteries

• veins

• capillaries

What type of blood vessel is so thin that white blood cells can squeeze out of through the blood vessel walls?

• arteries

• veins

• capillaries

What type of blood vessel is where oxygen, nutrients, carbon dioxide, and wastes enter and leave the blood?

• arteries

• veins

• capillaries