Respiratory pre

Front

What is respiration?

Back

Respiration is a chemical process that involves the exchange of oxygen and carbon dioxide in the body.

Front

Where does gas exchange occur in the human body?

Back

Gas exchange occurs in the lungs.

Front

Why is oxygen important for the body?

Back

Oxygen is needed for energy-releasing chemical reactions.

Front

What is the trachea?

Back

The trachea is the tube that leads from the throat to the lungs, allowing air to pass through.

Front

What is the primary function of the respiratory system?

Back

The primary function of the respiratory system is to facilitate breathing.

Front

What are the main organs of the respiratory system?

Back

The main organs of the respiratory system include the lungs, trachea, bronchi, and diaphragm.

Front

What role does the diaphragm play in respiration?

Back

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

Front

What is the difference between breathing and respiration?

Back

Breathing is the physical process of inhaling and exhaling air, while respiration is the chemical process of gas exchange.

Front

What is the epiglottis?

Back

The epiglottis is a flap of tissue that covers the trachea during swallowing to prevent food from entering the lungs.

Front

What happens during inhalation?

Back

During inhalation, the diaphragm contracts, creating a vacuum that pulls air into the lungs.