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Images Dated 7th March 1994

Choose from 5 pictures in our Images Dated 7th March 1994 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Computer illustration showing alveoli Featured 7 Mar 1994 Image

Computer illustration showing alveoli

Alveoli. Computer graphic illustration showing the alveoli (round light blue structures), the microscopic air sacs of the lungs. They are seen wrapped by an intricate network of capillaries; it is in this network that gases, such as carbon dioxide and oxygen, are exchanged during respiration. Alveoli are found at the end of a bronchiole, one of the many small air passages in the lungs, and are arranged in groups that resemble bunches of grapes. About 300 million alveoli are found in each lung