DIGESTIVE SYSTEM

What is the main function of the digestive system?

• To control muscle movement

• To break down food into nutrients for absorption.

• To produce hormones

• To regulate body temperature

Answer explanation

The main function of the digestive system is to break down food into nutrients for absorption, allowing the body to utilize the essential components for energy and growth.

Which organ produces bile to help with digestion?

• Pancreas

• Liver

• Kidney

• Stomach

Answer explanation

The liver produces bile to help with digestion, making it the correct choice among the options provided.

What is the role of enzymes in the digestive system?

• Enzymes help in muscle contraction in the digestive system.

• Enzymes regulate body temperature in the digestive system.

• Enzymes transport nutrients in the digestive system.

• Enzymes break down food into smaller molecules for absorption.

Answer explanation

Enzymes break down food into smaller molecules for absorption.

Where does the process of digestion begin?

• Brain

• Stomach

• Knee

• Mouth

Answer explanation

The process of digestion begins in the mouth where food is broken down by enzymes in saliva before moving to the stomach for further digestion.

What is the function of the small intestine in digestion?

• Production of bile

• Regulation of blood sugar levels

• Synthesis of vitamins

• Absorption of nutrients

Answer explanation

The small intestine functions in the absorption of nutrients from digested food, allowing essential substances to be absorbed into the bloodstream for use by the body.

What is the purpose of villi in the small intestine?

• Absorption of nutrients

• Production of bile

• Protection against infections

• Regulation of blood sugar levels

Answer explanation

The purpose of villi in the small intestine is the absorption of nutrients, allowing for efficient uptake of digested food particles.

What is the name of the enzyme that breaks down carbohydrates?

• amylase

• lipase

• cellulase

• protease

Answer explanation

The correct enzyme that breaks down carbohydrates is amylase.

What is the function of the large intestine in the digestive system?

• Production of digestive enzymes

• Storage of bile

• Regulation of blood sugar levels

• Absorption of water and salts, elimination of waste

Answer explanation

The large intestine functions in the absorption of water and salts, as well as the elimination of waste in the digestive system.

What is the final product of protein digestion?

• Fatty acids

• Nucleotides

• Glucose

• Amino acids

Answer explanation

The final product of protein digestion is amino acids, which are the building blocks of proteins and essential for various bodily functions.

How does the digestive system help in nutrient absorption?

• The digestive system transports nutrients through the bloodstream

• The digestive system stores nutrients in the liver

• The digestive system excretes nutrients through sweat

• The digestive system breaks down food into smaller molecules that can be absorbed by the body.

Answer explanation

The digestive system breaks down food into smaller molecules that can be absorbed by the body.