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Respiratory System

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Emily Imes

on 22 November 2013

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Transcript of Respiratory System

Respiratory System
Major Parts.
Main parts of the Respiratory System:
Nostrils, Trachea, Bronchi, Lungs, Alveolus, and Diaphragm.

The Functions:
- Nostrils:
They bring air into the nose where air is warmed & humidified. Tiny hairs called cilia filter out dust and other particles. It protects the nasal passage.
- Trachea:
It filters the air we breathe in and branches into the Bronchi.
- Bronchi:
It branches off from the Trahea and carry atmospheric air directly into the lungs.
- Lungs:
When we inhale, we take in oxegen. When we exhale, carbon dioxide goes out.
- Alveolus:
It's a tiny sac like structure present in the lungs where the gaseous exchange takes place.
- Diaphragm:
When we inhale, our diaphragm gets smaller & flattens out & pulls down. Because to this, the space in the lungs increases & pulls air into the lungs. When we exhale, our diaphragm gets bigger ( expands ) & reduces the amount of space for luings to force air out of them.
The main role for the respiratory system is to supply the blood with oxygen in order for the blood to deliver all parts of the body. It does this through breathing. When we breathe, we inhale oxygen and exhale carbon dioxide. This is the system's way of getting oxygen to the blood.
Remaning A Part Of The Human Body.
Staying Healthy.
Problems & Diseases.
- Problems:

- Diseases:
Influenza (the flu)
Tuberculosis (TB)
Lung cancer
Chronic obstructive pulmonary disease (COPD)
Pulmonary embolism (PE)
by: Emily Imes

Labeled Diagram.
Full transcript