d) The nervous system consists of billions of ________
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3
Answer:
it is called neverse system
Explanation:
There are many billions of nerve cells, also called neurons, in the nervous system. The brain alone has about 100 billion neurons in it. Each neuron has a cell body and various extensions.
hope it was helpful
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0
Explanation:
The nervues system consits of billions of neurons present there becoz to send impulses ro brain from the body and its is responsible for our immunity
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