The alveoli are the site where oxygen enters the blood stream and carbon dioxide is removed From Los Angeles Times Over 300 million
Alveoli have moist walls that are only one cell thick which makes the exchange surface very thin and the process of diffusion much quicker This may cause excessive mechanical forces in aerated lung regions, between aerated and nonaerated lung regions, or in bronchioles and alveoli that open and
คลอเบทครีม The alveoli form clusters, called alveolar sacs, that resemble bunches of grapes By the same analogy, the alveolar ducts leading to the sacs are like the stems Each person has hundreds of millions of alveoli in their lungs This network of alveoli, bronchioles, and bronchi is known as the bronchial tree The lungs
