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kondor19780726 [428]
3 years ago
8

Brain, central nervous system, human being, nervous tissue ,neurons.. simplest to most complex

Biology
1 answer:
Art [367]3 years ago
6 0
Neurons, nervous tissue, brain, central nervous system, human being
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Except Erythrocytes, <u>because insects do not have the Red Blood Cells</u>.

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Thank you for posting your question here at brainly. Below are the choices. The answer is 4. 

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Read 2 more answers
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