The alveoli is where the oxygen moves out of the lungs and into the blood. At the same time carbon dioxide moves out of the blood and into the lungs to be exhaled.
Answer:
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It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks
False because nobody weighs or is made the exact same. that is just for the average body type
Ear drum because if damaged it can cause pain and loss of hearing to certain degrees.