Gas exchange occurs in the alveoli of the lungs and each is made from a single layer of flat cells, Many alveoli in the lungs, so a large surface area for exchangement of C02 and O2. They are surrounded by a network of capillaries and oxygen diffuses out of them via the alveolar epithelium to the hemoglobin.
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The correct answer is: "the West Coast receives it's wind and weather patterns from the ocean, while the East Coast receives them from land"
Answer:
Explanation:
Different materials will change temperature at different rates when exposed to the same amount of heat. This is because the different materials absorb heat at different rates.
30 minutes of physical activity every day, Im pretty sure
