Respiratory system

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 are the main components of the respiratory system?

Back

The main components of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, bronchioles, and lungs.

Front

How many lobes does the right lung have?

Back

The right lung has 3 lobes.

Front

How many lobes does the left lung have?

Back

The left lung has 2 lobes.

Front

What is pulmonary ventilation?

Back

Pulmonary ventilation is the process of moving air in and out of the lungs.

Front

What is the role of bronchioles in the respiratory system?

Back

Bronchioles are small air passages that lead from the bronchi to the alveoli, where gas exchange occurs.

Front

What occurs in the respiratory zone of the lungs?

Back

Gas exchange occurs between air in the alveoli and blood in the capillaries.

Front

What is the significance of the diaphragm in respiration?

Back

The diaphragm is a muscle that contracts and relaxes to facilitate breathing by changing the pressure in the thoracic cavity.

Front

What is the difference between external and internal respiration?

Back

External respiration refers to gas exchange between the lungs and the environment, while internal respiration refers to gas exchange between blood and body tissues.

Front

What is the function of alveoli in the respiratory system?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs, allowing oxygen to enter the blood and carbon dioxide to be expelled.