Understanding the Human Digestive System

What is unique about the platypus in terms of its digestive system?

• It has multiple stomachs.

• It has a very large stomach.

• It does not have a stomach.

• It uses its stomach for breathing.

What starts the digestion process in humans?

• The mouth

• The stomach

• The esophagus

• The small intestine

Which enzyme is found in saliva and helps break down carbohydrates?

• Pepsin

• Lipase

• Salivary amylase

• Bile

What role does the stomach play in digestion?

• Production of bile

• Absorption of nutrients

• Chemical and mechanical digestion

• Transporting nutrients

What prevents the stomach from digesting itself?

• The presence of bile

• Low acidity levels

• A layer of mucus

• Absence of enzymes

What is the primary function of the small intestine?

• Waste elimination

• Food storage

• Nutrient absorption

• Water reabsorption

What is the role of the large intestine in the human body?

• To absorb proteins

• To digest food

• To reabsorb water

• To produce enzymes

Which accessory organ stores bile?

• Gallbladder

• Small intestine

• Pancreas

• Liver

This is a example of........ 

• organ system
• cells
• organ
• tissue

Tags

NGSS.MS-LS1-3

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• circulatory
• respiratory
• digestive
• skeletal