Respiratory system

Front

What does Deoxygenated mean?

Back

Oxygen-poor

Front

What is the function of the trachea?

Back

The trachea is the airway that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What gas do lungs take in during breathing?

Back

Oxygen

Front

What gas do lungs remove during breathing?

Back

Carbon dioxide

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What is the function of the nasal cavity?

Back

The nasal cavity filters, warms, and moistens the air we breathe.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

Front

What is diffusion in the context of the respiratory system?

Back

Diffusion is the process that moves oxygen from alveoli to capillaries and carbon dioxide from capillaries to alveoli.

Front

What is the role of bronchi in the respiratory system?

Back

Bronchi are the main passageways that direct air into the lungs.

Front

What is the difference between oxygenated and deoxygenated blood?

Back

Oxygenated blood is rich in oxygen, while deoxygenated blood is low in oxygen and high in carbon dioxide.