Digestion (Mouth and Stomach)

Which three nutrients are digested by the body?

• Carbohydrates, fats and vitamins

• Vitamins, minerals and proteins

• Iron, fiber and fats

• Carbohydrates, proteins and fats

The part of the digestive system which is highlighted represents:

• Oesophagus
• Small intestine
• Stomach
• Trachea

Series of involuntary contractions along the walls of the digestive tract

• Peristalsis
• Epiglottis
• Pepsin
• Stomach

Saliva contains this enzyme to start the digestive process of carbohydrates.

• spit
• amylase
• hydrochloric acid
• sodium bicarbonate

What are the contents in your stomach called after mechanical and chemical digestion?

• Bolus

• Chyme

• Food

• Feces

What enzyme breaks down proteins when it is activated by hydrochloric acid?

• Pepsin

• Peptin

• Pepto

• Protein

moves food from the mouth to the stomach

• esophagus

• small intestine

• large intestine

• pancreas

Amylase in saliva changes starch into...

• sugar

• waste

• stomach acid

• chyme

Where does the digestion of proteins BEGIN?

• Mouth

• Stomach

• Small intestine

• Liver

Where does the digestion of carbohydrates BEGIN?

• Mouth

• Stomach

• Small Intestine

• Large intestine