HAP Unit #15 -- Digestive System

What carries food from the pharynx to the stomach?

• larynx

• trachea

• esophagus

• bronchioles

What type of digestion takes place in the stomach?

• mechanical

• chemical

• both mechanical and chemical

Where does the process of digestion begin?

• mouth

• esophagus

• stomach

• small intestine

What enzyme is found in saliva that starts digesting carbohydrates?

• amylase

• chyme

• pepsin

• bile

Where does the absorption of nutrients from food take place?

• stomach

• liver

• small intestine

• large intestine

What makes the small intestine have such a large surface area?

• 21 feet long

• villi

• microvilli

• all answers contribute

What chemically breaks down food into smaller molecules?

• teeth

• muscles of the stomach

• enzymes

What are the rhythmic muscular contractions of your esophagus called to help food move along?

• swallowing

• peristalsis

• inertia contractions

• paralysis

Which organ releases digestive enzymes into the small intestine?

• pancreas

• small intestine

• esophagus

• salivary glands

The teeth and tongue of the oral cavity break foodstuff down physically. This is an example of

• mechanical digestion

• chemical digestion

• absorption

• peristalsis