Understanding the Digestive System

Why is digestion necessary for the body?

• To extract and absorb nutrients

• To store food for later use

• To increase body temperature

• To eliminate waste immediately

Which system in the body is responsible for changing food into absorbable substances?

• Nervous system

• Circulatory system

• Digestive system

• Respiratory system

What is the primary role of the alimentary canal?

• To produce hormones

• To transport oxygen

• To regulate body temperature

• To break down and absorb food

What is the difference between mechanical and chemical digestion?

• Mechanical digestion involves enzymes, while chemical digestion involves chewing.

• Mechanical digestion breaks food into smaller pieces, while chemical digestion breaks food into nutrients.

• Mechanical digestion occurs in the stomach, while chemical digestion occurs in the mouth.

• Mechanical digestion is faster than chemical digestion.

Which organ is responsible for producing bile?

• Liver

• Gallbladder

• Pancreas

• Stomach

What is the function of the small intestine in digestion?

• To eliminate waste

• To store food temporarily

• To absorb most nutrients

• To produce digestive enzymes

How does the large intestine contribute to digestion?

• By storing nutrients

• By producing bile

• By breaking down proteins

• By absorbing water from undigested food

Which of the following is a good habit for maintaining a healthy digestive system?

• Avoiding fluids

• Eating food rich in fiber

• Consuming large meals

• Eating quickly

Why should you avoid eating uncovered ready-to-eat foods?

• They are harder to digest

• They are more expensive

• They are easily contaminated by bacteria

• They are less nutritious

What is the benefit of chewing food well?

• It increases appetite

• It reduces calorie intake

• It helps in faster digestion

• It makes food taste better