Respiratory System

Front

What is the primary function of the respiratory system?

Back

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

Front

What are the main parts of the respiratory system?

Back

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

Front

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

Back

The trachea, or windpipe, serves as the main airway that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What are bronchi and their function?

Back

Bronchi are the two main branches of the trachea that lead into each lung, and they further divide into smaller bronchioles, facilitating air passage into the lungs.

Front

What are alveoli and why are they important?

Back

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

Front

What is the difference between the left and right lungs?

Back

The right lung has three lobes, while the left lung has two lobes, allowing space for the heart.

Front

What is the process of breathing called?

Back

The process of breathing is called respiration, which includes inhalation (breathing in) and exhalation (breathing out).

Front

What is the diaphragm and its role in respiration?

Back

The diaphragm is a dome-shaped muscle that separates the chest cavity from the abdominal cavity; it contracts and relaxes to facilitate breathing.

Front

What is the significance of the nasal cavity in the respiratory system?

Back

The nasal cavity filters, warms, and moistens the air we breathe, and it also contains olfactory receptors for the sense of smell.

Front

What is the function of the larynx?

Back

The larynx, or voice box, is responsible for producing sound and protecting the trachea against food aspiration.