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Wewaii [24]
3 years ago
10

The trachea needs to be rigid but the esophagus does not. why is this

Biology
1 answer:
Alenkasestr [34]3 years ago
6 0
The esophagus has to be flexible to allow for food to travel from the mouth to the stomach
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Dead zones in waterways can occur as the result of fertilizer runoff.<br> T/F<br><br>True
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Where do our memories get stored and how are they retrieved again? How can learning be improved? What is the difference between
Margarita [4]

Answer:

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