Respiratory System Exam Review

Front

What is the role of the tonsils in the human body?

Back

The tonsils are part of the immune system and help protect the body from disease by trapping pathogens.

Front

What is internal respiration?

Back

Internal respiration is the exchange of gases between the blood and the cells of the body.

Front

What happens at the tissues during gas exchange?

Back

At the tissues, carbon dioxide diffuses into the blood and oxygen diffuses out of the blood into the tissues.

Front

What disease is characterized by cells with atypical nuclei and may be caused by smoking?

Back

Lung Cancer is characterized by cells with atypical nuclei that may break off and spread.

Front

What is the name of the body cavity that contains the lungs?

Back

The body cavity that contains the lungs is called the thoracic cavity.

Front

What is the primary function of the respiratory system?

Back

The primary function of the respiratory system is to facilitate gas exchange, providing oxygen to the body and removing carbon dioxide.

Front

What is the difference between external and internal respiration?

Back

External respiration refers to the exchange of gases between the atmosphere and the lungs, while internal respiration refers to the exchange of gases between the blood and body cells.

Front

What is the significance of alveoli in the respiratory system?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs; they increase the surface area for oxygen and carbon dioxide exchange.

Front

What is the role of the diaphragm in breathing?

Back

The diaphragm is a muscle that contracts and relaxes to help draw air into the lungs and push it out during breathing.

Front

What is pneumonia and how can it affect the respiratory system?

Back

Pneumonia is an infection that inflames the air sacs in one or both lungs, which can fill with fluid or pus, making breathing difficult.