HS20 - Digestive System Review

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 part of the digestive system mechanically and chemically breaks down food?

• mouth

• stomach

• both the mouth and stomach

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

What does the pancreas do?

• produces digestive enzymes to break down proteins and fats

• produces sodium bicarbonate to neutralize stomach acid

• regulates our blood sugar levels

• all answers are correct