Questions: Neurotransmitters are chemicals released by . endocrine glands neurons blood cells bone cells

Neurotransmitters are chemicals released by .
endocrine glands
neurons
blood cells
bone cells
Transcript text: Neurotransmitters are chemicals released by $\qquad$ . endocrine glands neurons blood cells bone cells
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Solution

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The answer is the second one (neurons): neurotransmitters are chemicals released by neurons.

Explanation for each option:

  • Endocrine glands: Incorrect. Endocrine glands release hormones, not neurotransmitters.
  • Neurons: Correct. Neurons release neurotransmitters to transmit signals across synapses to other neurons, muscles, or glands.
  • Blood cells: Incorrect. Blood cells do not release neurotransmitters; they are involved in carrying oxygen, immune responses, and other functions.
  • Bone cells: Incorrect. Bone cells are involved in the formation and maintenance of bone tissue, not in the release of neurotransmitters.

Summary: Neurotransmitters are chemicals released by neurons.

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