DIGESTION

• Breaking down food into simpler
• Substances that your body can use

SALIVA

• A watery fluid that softens and
• Moistens food

ESOPHAGUS

• The long muscular tube that brings
• Food into the stomach

STOMACH

• A muscular organ that changes food
• Into a thick soupy liquid

SMALL INTESTINE

• The organ that completes digestion and allows
• Digested food to enter the blood

LARGE INTESTINE

• The thick tube like organ that removes
• Undigested waste

DIAPHRAGM

• A large flat muscle that pulls air
• In and pushes air out of the lungs

LUNG

• One of the two organs that fill
• With air when you inhale

ALVEOLI

• Air sacs in the lungs where gases
• Move into and out of the blood

CAPILLARY

• A tiny blood vessel

HEART

• A muscular organ that constantly pumps blood throughout
• The body

ARTERY

• A thick walled blood vessel that
• Carries blood away from the heart

VEIN

• A blood vessel that carries blood back go the heart

KIDNEY

• An organ that filters certain body
• Wastes out of the blood

BLADDER

• An organ that stores liquid wastes from
• The kidneys temporarily

NEPHRON

• A part of the kidneys where waste
• Materials are separated from useful materials
• In the blood

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