Respiratory System

What is the respiratory system?

• The body's breathing system

• The body's system of nerves

• The body's food-processing system

• The body's blood-transfer system

What important gas from the air is needed by all parts of the body?

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

What gas is exhaled from the body and into the air?

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

What is another name for the windpipe?

• Pharynx

• Larynx

• Trachea

• Esophagus

What structure houses the vocal cords, also known as the voice box?

• Pharynx

• Larynx

• Trachea

• Esophagus

What occurs inside of the lungs?

• Nutrients are digested

• Liquid waste is filtered from the blood

• The blood is pumped to all body cells

• Oxygen is exchanged for carbon dioxide

What is the main function of the diaphragm?

• Pump blood into the lungs

• Open and close the lungs

• Expands/contracts the chest to allow breathing

• All of the above

What are the tubes inside of the lungs called?

• Bronchi

• Alveoli

• Larynx

• Pharynx

What picks up oxygen from the lungs and carries it to all of the cells of the body?

• White blood cells

• Red blood cells

• Veins

• Blood Platelets

The bronchi of the lungs end with many tiny little sacs. What are these sacs?

• Alveoli

• Capillaries

• Bronchioles

• Arterioles