Respiratory System Flashcard

Front

What is the function of the visceral pleura?

Back

It directly covers the surface of the lungs.

Front

What does 'bronchospasm' mean?

Back

Sudden contraction of the bronchial muscles, often causing wheezing.

Front

What dictates how quickly or slowly we breathe?

Back

The amount of carbon dioxide in the blood.

Front

What happens during internal respiration?

Back

Oxygen moves from the blood into body tissues, and CO2 moves into the blood.

Front

What is the diaphragm's role in breathing?

Back

It contracts to pull air into the lungs during inhalation.

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

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

Back

It serves as the main airway, conducting air to and from the lungs.

Front

What is external respiration?

Back

The process of gas exchange between the lungs and the environment.

Front

What is the significance of the pleural cavity?

Back

It contains pleural fluid that reduces friction between the lungs and chest wall during breathing.