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Answer (2)
Answer:Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out
Answer:The image shows a diagram of the alveoli in the lungs. The alveoli are tiny air sacs at the end of the bronchioles, which are the branches of air tubes in the lungs. The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. The diagram shows that oxygen (O2) is being transported from the alveoli into the blood, and carbon dioxide (CO2) is being transported from the blood into the alveoli. This exchange of gases is essential for respiration, which is the process of breathing. Here is a more detailed explanation: - Breathing in: When you breathe in, air travels down your windpipe and into your lungs. The air reaches the alveoli, where oxygen diffuses from the air into the blood.- Breathing out: When you breathe out, carbon dioxide, which is a waste product of cellular respiration, diffuses from the blood into the alveoli and is then exhaled. The alveoli are very important for respiration because they have a large surface area, which allows for efficient gas exchange. They are also very thin-walled, which allows for easy diffusion of gases.
