The lungs what do they do, and what can go wrong

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Nose and mouth: -The nose is the main gate to the respiratory system, your body's system for breathing. When you take a breath through your nose or mouth.

Every breath you take: -When you take a breath, the pulmonary artery and its veins carry blood from the right side of the heart to the lungs and into the alveoli to become oxygenated.

Heart and lungs: -The heart and lungs work together to do this.

Pharynx: -Air then travels down the pharynx, or throat, the tube that delivers air from your mouth and nose to the trachea.

Alveoli: -The lungs contain thousands of thin tubes that end in bunches of tiny, balloon-shaped air sacs, or alveoli.

Blood: -The lungs' main role is to bring in air from the atmosphere and pass oxygen into the bloodstream. 

Oxygenated blood: -Once the blood has plenty of oxygen and no carbon dioxide.

Structure of lung: -The right lung has three lobes and is slightly larger than the left lung, which has two lobes. 

Lungs: -The lungs are located on either side of the breastbone in the chest cavity and are divided into five main sections 

Respiratory system: -The respiratory system is the network of organs and tissues that facilitate breathing.

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