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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Human Respiratory System Model

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Beginner

Intermediate

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1. The main function of the nasal cavity in respiration is to:

a: Pump oxygen into the lungs Explanation

Explanation

b: Filter, warm, and humidify incoming air Explanation

Explanation

c: Produce carbon dioxide Explanation

Explanation

d: Exchange gases with blood Explanation

Explanation

2. Which organ is mainly responsible for gas exchange in the respiratory system?

a: Trachea Explanation

Explanation

b: Bronchi Explanation

Explanation

c: Alveoli Explanation

Explanation

d: Pharynx Explanation

Explanation

3. Respiratory rate refers to:

a: Oxygen concentration in lungs Explanation

Explanation

b: Volume of air inhaled per second Explanation

Explanation

c: Total lung capacity Explanation

Explanation

d: Number of breaths per minute Explanation

Explanation

4. The right lung has how many lobes?

a: One Explanation

Explanation

b: Two Explanation

Explanation

c: Three Explanation

Explanation

d: Four Explanation

Explanation

5. Which gas is removed from the body during respiration?

a: Nitrogen Explanation

Explanation

b: Carbon dioxide Explanation

Explanation

c: Hydrogen Explanation

Explanation

d: Helium Explanation

Explanation

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