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Respiratory System Functions



Respiratory System: Functions of Extreme Importance to the Human Body

Introduction

Respiratory System Components

The respiratory system is composed of: two lungs and airways (pharynx, larynx, trachea and pulmonary bronchi).

Respiratory System Functions:

- Transfer oxygen, which is inhaled from the air, to the blood;

- Transfer carbon dioxide, which is present in large amounts in venous blood, to the exhaled air;

- Helps to regulate the acidity present in the fluids of the human body;

- It acts in the regulation of the pH of the blood;

- Filter, heat and humidify the air we breathe;

- It acts in the production of the sounds we emit, because the air flow leaves the lungs and goes to the vocal folds.