RESPIRATORY SYSTEM
It is responsible for providing your body the oxygen it needs

What is the respiratory sistem?

Is the responsive of collecting the oxygen of the air and go to the blood and expel carbon dioxide.

Organs:

• Nose:

Passageway for air.

• Pharynx:

Common passageway for air, food and liquid.

• Epiglottis:

Covers larynx duuring swallowing

• Larynx:

Producction of sound

• Trachea:

Main airway

• Bronchi:

Braching airways

• Bronchioles
• Alveoli:

Air sac for gas exchange.

• Lungs:

Organ of gas exchange.

• Intercostal muscle:

Moves ribs during respiration

• Diaphragm:

Skeletal muscle of respiration

Breathing process
When we  breathe , we catch air that contains oxigen.

When the air enters the via nose or mouth, travel to the pharinx and to the larynx. The air heats and moistents .

And then enters into the trachea and produce a further filtration done. The trachea it is divided into two parts what are they left and right bronchie and passes through  250000 bronchioles.

At the end of the bronchioles, theses are grouped in alveoli, small air sacs where gas exchange is performed with the blood.  The oxygen enters the blod through small capillaries. From there it´s carried to theheart from where issent to teh whole body.

expelled process

The carbón dioxide that leaves the cells of the body travels into the capillars towards the heart and from there to the lungs to be expelled.