Digestive System Quiz

What is the primary function of food in the body?

• To produce chemicals for digestion

• To provide energy for the body

• To help eliminate waste from the body

• To make cells for growing and repairing tissues

What are the three functions of the digestive system?

• Breaking down food, absorbing nutrients, producing energy

• Breaking down food, producing energy, eliminating waste

• Breaking down food, producing energy, storing nutrients

• Breaking down food, putting molecules into the blood, eliminating waste

What is mechanical digestion?

• Chemicals breaking down food into smaller components

• Absorbing nutrients from food

• Storing nutrients in the body

• Physically breaking down food into smaller pieces

What is chemical digestion?

• Chemicals breaking down food into smaller components

• Storing nutrients in the body

• Producing energy for the body

• Physically breaking down food into smaller pieces

Why is it important for the body to put molecules into the blood?

• To carry nutrients throughout the body

• To break down food into molecules

• To provide energy for the body

• To eliminate waste from the body