U13 Practice Test - Digestive System

The Esophagus is an organ that connects?

• The mouth to the stomach
• mouth to the small intestine
• stomach to the large intestine

The large intestine is responsible for?

• absorption of water
• absorption of food
• making chyme

Peristalsis is when?

• muscle contractions move the food along
• digestion begins
• stomach digests food
• muscle does nothing

What type of acid is in the stomach?

• HCl (Hydrochloric acid)
• NaCl (Table salt)
• NaOH (Sodium Hydroxide)

Chemical digestions involves...?

• Enzymes secreted from glands

• Chewing food

• Both A & B

• Neither A & B

Carbohydrates are broken down into?

• sugar

• protein

• amino acids

• lipids

Tags

NGSS.MS-LS1-7

Responsible for most chemical digestion; absorbs nutrients from food

• Large Intestine

• Small Intestine

• Stomach

• Rectum

Stores solid waste until it is eliminated from the body

• Large Intestine

• Small Intestine

• Rectum

• Cloaca

What does the stomach do?

• Mix & churn food bolus

• Adds digestive juices to the food

• Turn food into chyme

• None of these

What organs are part of the alimentary canal?

• stomach, small and large intestine

• mouth, stomach, esophagus, small and large intestine, and rectum

• stomach, lungs, trachea, rectum

• large and small intestine, trachea, stomach, mouth