Circulatory System Quiz - Paw Creek - 5th Grade

The blood vessels that bring blood in toward the heart

• Arteries

• Veins

• Capillaries

The blood vessels that take blood away from the heart

• Arteries

• Veins

• Capillaries

The blood vessels that allow exchange of water, gasses, nutrients, and wastes.

• Arteries

• Veins

• Capillaries

Tags

NGSS.MS-LS2-3

Why do capillaries have thin walls?

• They pump blood under a ton of pressure so the walls need to be thin

• They pump blood into the heart so they need to be very thin

• They are thin to allow materials like water, gas, and other molecules to diffuse through them for transport

The part of blood that kills invaders like bacteria and viruses

• red blood cells

• white blood cells

• platelets

• plasma

The part of blood that carries oxygen and carbon dioxide

• red blood cells

• white blood cells

• platelets

• plasma

The part of blood that sticks together to help stop bleeding at a cut

• red blood cells

• white blood cells

• platelets

• plasma

The part of blood that is a liquid

• red blood cells

• white blood cells

• platelets

• plasma

The circulatory system

• brings oxygen to cells

• carries away wastes

• brings nutrients to cells

• all of the above

Tags

NGSS.MS-LS1-3

True or False:  Arteries bring blood back to the heart?

• True
• False