The alveoli are completely covered in blood vessels (capillaries). The walls of the capillaries are extremely thin and the distance between air and blood is only 0.3μm.
This means that O2 has no distance to travel to get into the blood. The alveoli increase the surface area hugely. Humans have 300 million alveoli in both lungs giving a total surface area of 80 m2 (The skin is 2m2).
i am pretty sure that is takes in oxygen and gives back carbon dioxide for the other organs..im am not positive
By the alveoli
Lungs
lungs
Lungs,trachea,and alveoli
The alveoli
Tobacco primarily affects the lungs, leading to conditions like chronic bronchitis and emphysema. It can also harm the heart by increasing the risk of heart disease and stroke. Additionally, tobacco use is associated with increased risk for various cancers, including lung, mouth, and throat cancers.
The other organs that are related to the human eye is the testicals.
The gall bladder and other organs filter the bad .
yes
Yes, the lungs.
you don't have to the brain and heart do all the work
you don't have to the brain and heart do all the work