Obtaining Energy 1

To remove waste products from the body

To digest, or break down food and absorb nutrients

Mouth, esophagus, stomach, small intestine, and large intestine

Kidneys and bladder

Lungs

Heart and blood vessels

Amylase

Bile

Gastric juice

Saliva

By physical digestion (like chewing)

By chemical digestion (like saliva and enzymes)

By both physical and chemical digestion

Esophagus

Stomach

Small intestine

Large intestine

mechanical and chemical

large intestine and small intestine

is a muscular tube that connects the mouth to the stomach.

a chemical digestion.

a mechanical digestion

digest food

produce saliva

get rid of waste

move food down the esophagous

when the organism discovers the food

when the food is chewed

when the food is swallowed

when the nutrients are absorbed

esophagus

stomach

liver

saliva