Quiz on Digestion

Why do we need food?

• To build and repair tissues

• To make us sleepy

• To change our hair color

• To make us taller instantly

What is the main function of the digestive system?

• To circulate blood

• To break down food

• To produce sound

• To control movement

Which of the following is a type of digestion?

• Chemical digestion

• Electrical digestion

• Magnetic digestion

• Thermal digestion

Why do you need food?

• To provide energy for playing games

• To make cells for growing and repairing tissues

• To make you feel full

• To change your hair color

Why do you need food?

• Food provides energy for everything you do.

• Food is only for taste.

• Food is not necessary for survival.

• Food is only for special occasions.

What is the process called that breaks down food into molecules the body can use?

• Digestion

• Photosynthesis

• Respiration

• Fermentation

What is the process shown in the diagram where molecules are put into the blood to be carried throughout the body?

• Digestion

• Photosynthesis

• Respiration

• Evaporation

What is the function of the system that helps eliminate waste from the body?

• Digestive system

• Respiratory system

• Circulatory system

• Nervous system

What is mechanical digestion?

• Food is chemically broken down into nutrients.

• Food is physically broken down into smaller pieces.

• Food is absorbed into the bloodstream.

• Food is turned into energy.

What is chemical digestion?

• The process of chewing food

• Chemicals produced by the body breaking foods into smaller components

• The absorption of nutrients in the intestines

• The movement of food through the digestive tract