Circulatory System

We need blood for ALL of the following reasons EXCEPT:

• Transport needed substances to the body's cell

• Transport waste

• Helps maintain a constant body temperature

• Helps to increase the ability to hear sound

carry blood away from the heart.

• Capillaries

• Veins

• Arteries

• Lungs

a fluid tissue that helps maintain homeostasis for all cells in the body. Composed of 55% plasma; 45% blood cells

• Plasma

• Lymph

• Blood

• Mucus

prevents backwards flow of blood in the heart

• Aorta

• Valve

• Atrium

• Capillaries

protein in every red blood cell that carries oxygen.

• Saliva

• Mucus

• Hemoglobin

• Goblin

connects arteries to veins, site of exchange for nutrients, waste and oxygen.

• Capillaries

• Veins

• Arteries

• Valves

The smallest blood cells needed for clotting are called ____________

white blood cells that helps to defend our body from diseases

• Hemocytes

• Leukocytes

• Nanobytes

• Nanocytes

Humans have BLUE blood.

• True

• False

muscular, thick-walled lower chamber that pumps blood from the heart.

• Atria (Atrium)

• Ventricle

• Aorta

• Lungs