Week 7 – Discussion Board 2

[Art Liebl]

In at least 250 words talk about the  importance of the alveoli and what it does? Reply to two fellow students by Monday.

[Leslie Hernandez]

The alveoli are tiny air sacs located inside the lungs. Even though they are very small, they play a very important role in helping the body breathe and stay alive. There are millions of alveoli in the lungs, giving them a large surface area for exchanging gases. Their main job is to move oxygen into the blood and remove carbon dioxide from the blood. This process is called gas exchange and is necessary for every cell in the body to function properly.When a person breathes in, air travels through the nose or mouth, down the trachea, through the bronchi and bronchioles, and finally reaches the alveoli. The walls of the alveoli are very thin and are surrounded by tiny blood vessels called capillaries. Oxygen from the air passes through the walls of the alveoli into the capillaries, where it enters the bloodstream. At the same time, carbon dioxide, which is a waste product made by the body’s cells, moves from the blood into the alveoli. When the person breathes out, the carbon dioxide leaves the body through the lungs.The alveoli are important because every organ and tissue in the body needs oxygen to produce energy and work properly. Without healthy alveoli, the body would not receive enough oxygen, and carbon dioxide would build up in the blood. This can lead to serious breathing problems and other health issues. Diseases such as pneumonia, emphysema, and chronic obstructive pulmonary disease (COPD) can damage the alveoli and make it harder for the lungs to exchange gases.In conclusion, the alveoli are an essential part of the respiratory system. They allow oxygen to enter the bloodstream, remove carbon dioxide from the body, and help keep every part of the body healthy and functioning properly. Although they are tiny, they perform one of the most important jobs in the human body every second of our lives.

[Emely Veliz]

The alveoli are parts of our respiratoy system, they are important because they are where the exchange of gases happens. The Alveoli are tiny air sacs located at the end of the bronchioles inside the lungs. Their jobs is help the body receive oxygen and remove carbon dioxide.
When we breathe in, air travels through the nose or mouth, then down the trachea, into the bronchi, bronchioles, and finally reaches the alveoli. Inside the alveoli, ocygen from the air passes through their thin walls and wnters the bloodstream. The blood then carries this ocygen to the rest of the body. Oxygen is necessary because our cells need it to make energy and function properly. At the same time, the alveoli help remove carbon dioxide from the body, carbon dioxide is a waste gas that is produced by the cells. The blood brings carbon dioxide back to the lungs and moves it from the blood to the alveoli, Then when we breathe out, the carbon dioxide leaves our body. The alveoli are designes to make gas exchange easier. They have very thin walls and are surrounded by many tiny blood vassels calles capillaries, allowing oxygen and carbon dioxide to move quickly between the lungs and the blood. There are milions of alveoli in our lungs.
Therefore the alveoli are essential for breathing and suvirval, they allow oxygen to enter the blood and carbon dioxide to leave the body. without them our body would not get enough oxygen.

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