The Respiratory System - Chapter 19, Part 1

What is the primary reason we need to breathe?

• To store fat

• To create proteins

• To produce glucose

• To generate ATP

What is the role of the diaphragm in breathing?

• It helps in the pressure differential to fill the lungs

• It warms the air

• It filters the air

• It produces mucus

Why do we have nose hairs?

• To help us smell better

• To trap large particles and filter the air

• To keep our nose warm

• To produce mucus

What are alveoli?

• Muscles that help in breathing

• Sacs in the lungs where gas exchange occurs

• Bones in the nasal cavity

• Cartilage in the trachea

What can sometimes happen to people with severe lung conditions?

• Their lungs can turn into bone

• They can cough up a blood clot that is a reverse cast of the lung

• Their lungs can grow larger

• They can develop extra lungs