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oksano4ka [1.4K]
3 years ago
14

2. A structural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of:

Biology
1 answer:
Ierofanga [76]3 years ago
8 0

Answer: rings made from cartilage.

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Usually the body needs to excrete excess acid. sometimes, however, the body is in alkalosis. in the collecting duct, there are s
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