Respiratory and Digestive Systems Quiz

What is the process of filling and removing air from the lungs called?

• Respiration

• Inspiration

• Ventilation

• Expiration

What is the main function of the teeth?

• Produce saliva

• Physically break down food

• Store vitamins

• Produce insulin

Which organ is responsible for secreting bile?

• Pancreas

• Liver

• Gallbladder

• Stomach

What is the primary function of oxygen in the body?

• It is a waste product of metabolism.

• It is needed by all of the body's cells.

• It is used to break down food chemically.

• It is absorbed in the small intestine.

What is the role of the epiglottis?

• It connects the mouth and the esophagus.

• It prevents acid from moving up the esophagus.

• It opens and closes to move air to the trachea and food to the esophagus.

• It absorbs nutrients in the small intestine.

Which process helps move food down the esophagus?

• Digestion

• Absorption

• Peristalsis

• Respiration

What is the function of the sphincters in the stomach?

• They absorb nutrients.

• They prevent acid from moving up the esophagus or down into the small intestine.

• They break down food physically.

• They connect the mouth and the esophagus.

Where does absorption occur in the small intestine?

• Through the epiglottis

• Through the sphincters

• Through the villi

• Through the trachea

What is the main function of villi in the small intestine?

• Absorb digested nutrients

• Produce digestive enzymes

• Store solid waste

• Filter air

Which of the following is NOT a function of the large intestine?

• Absorbs any remaining nutrients

• Absorbs water

• Produces bile

• Storage of solid waste