Respiratory System Review

What is the main function of the respiratory system?

• The main function of the respiratory system is to produce mucus.

• The main function of the respiratory system is to transport nutrients.

• The main function of the respiratory system is to regulate body temperature.

• The main function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Which organ is responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

• Liver

• Heart

• Lungs

• Stomach

What is the process called when air enters the lungs?

• exhalation

• respiration

• inhalation

• expiration

What is the name of the muscle that helps in the process of breathing?

• The muscle that helps in the process of breathing is called the heart.

• The muscle that helps in the process of breathing is called the quadriceps.

• The muscle that helps in the process of breathing is called the bicep.

• The muscle that helps in the process of breathing is called the diaphragm.

What is the term for the tiny air sacs in the lungs where gas exchange occurs?

• trachea

• bronchioles

• alveoli

• pleura

What is the role of cilia in the respiratory system?

• Cilia in the respiratory system produce mucus to lubricate the airways.

• Cilia in the respiratory system help to warm the air before it enters the lungs.

• Cilia in the respiratory system help to filter out oxygen from the air.

• Cilia in the respiratory system help to move mucus and foreign particles out of the airways.

What is the term for the windpipe that leads to the lungs?

• Esophagus

• Trachea

• Pharynx

• Larynx

What is the role of the bronchi in the respiratory system?

• The bronchi produce mucus to lubricate the airways.

• The bronchi help to warm the air before it enters the lungs.

• The bronchi help to filter out oxygen from the air.

• The bronchi distribute air from the trachea into the lungs.

What is the role of mucus in the respiratory system?

• Mucus in the respiratory system helps in the digestion of food.

• Mucus in the respiratory system helps to transport oxygen to the body cells.

• Mucus in the respiratory system helps to trap and remove foreign particles from the airways.

• Mucus in the respiratory system helps to regulate body temperature.

What is the process called when air leaves the lungs?

• Inhalation

• Respiration

• Exhalation

• Expiration