What are two function of the respiratory system?

Answer 1

Inhaling and exhaling.Breathing in and out.

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To oxygenate blood (hemoglobin) and to remove carbon dioxide from blood

(hemoglobin).

But actually the respiratory system has many functions:

1. Exchanges gases (as stated above)

2. Homeostatic regulation of the body's pH through the regulation of CO2

3. Protection from inhaled patholgens and irritating substances

4. Vocalization.

Answer 2

Two functions of the respiratory system are to facilitate the exchange of oxygen and carbon dioxide between the air and the blood, and to help regulate the body's acid-base balance by controlling the levels of carbon dioxide in the blood through breathing.

Answer 3

Inhaling and exhaling.Breathing in and out.

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To oxygenate blood (hemoglobin) and to remove carbon dioxide from blood

(hemoglobin).

But actually the respiratory system has many functions:

1. Exchanges gases (as stated above)

2. Homeostatic regulation of the body's pH through the regulation of CO2

3. Protection from inhaled patholgens and irritating substances

4. Vocalization.

Answer 4

To react glucose with oxygen to create energy and to filter the waste from that reaction to both the bladder and lungs where they are excreted before they can do damage the body.

The respiratory system is not to be confused with plain, old fashioned, breathing. Breathing is one part of the respiratory system.
Well, there are more than two functions:

1. Respiratory function

2. Blood filtration

3. Control of some specific Biological Active Substances

4. Maintaines acid-base equilibrium and electrolitical

5. Participates in coagulation / fibrinolisis

6. Synthesis of some proteines, lipids etc.