Respiratory System

Front

What is the primary function of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

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

Back

The nose collects air from the environment and heats/moistens it before it enters the body.

Front

What is cellular respiration?

Back

A metabolic process in which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

Why is oxygen essential for cellular respiration?

Back

Oxygen is crucial for efficient ATP production in cellular respiration.

Front

What is the trachea?

Back

Another name for the windpipe, which connects the throat to the lungs.

Front

What happens in the lungs during respiration?

Back

Oxygen (O2) is exchanged for carbon dioxide (CO2) in the alveoli.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the diaphragm's role in breathing?

Back

The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.

Front

What is the difference between inhalation and exhalation?

Back

Inhalation is the process of taking air into the lungs, while exhalation is the process of expelling air from the lungs.

Front

What is the significance of hemoglobin in the respiratory system?

Back

Hemoglobin in red blood cells binds to oxygen in the lungs and transports it to tissues throughout the body.