Respiratory System

What is the function of breathing?

• Transporting oxygen to the body's cells

• Clearing the system of carbon dioxide

• Both A and B

• None of the above

Which system is responsible for controlling breathing?

• Nervous system

• Circulatory system

• Respiratory system

• Digestive system

What happens when you inhale?

• Diaphragm flattens and intercostal muscles contract

• Diaphragm contracts and intercostal muscles flatten

• Diaphragm and intercostal muscles both flatten

• Diaphragm and intercostal muscles both contract

Where does the exchange of gases occur in the lungs?

• Bronchioles

• Alveoli

• Trachea

• Bronchi

What is the purpose of hemoglobin in the lungs?

• Transporting oxygen

• Transporting carbon dioxide

• Both A and B

• None of the above

How is carbon dioxide expelled from the lungs?

• Diaphragm flattens and intercostal muscles contract

• Diaphragm contracts and intercostal muscles flatten

• Diaphragm and intercostal muscles both flatten

• Diaphragm and intercostal muscles both contract

How many times do lungs inhale and exhale in a minute?

• 5-10 times

• 10-15 times

• 15-20 times

• 20-25 times

What is the function of breathing?

• Transporting oxygen to the body's cells

• Clearing the system of carbon dioxide

• Both A and B

• None of the above

Where does the exchange of gases occur in the lungs?

• Bronchioles

• Alveoli

• Trachea

• Bronchi

How is carbon dioxide expelled from the lungs?

• Diaphragm flattens and intercostal muscles contract

• Diaphragm contracts and intercostal muscles flatten

• Diaphragm and intercostal muscles both flatten

• Diaphragm and intercostal muscles both contract