The fatty substance that insulates and protects the axon is myelin sheath. That is option D.
<h3>The nerve cells (neuron)</h3>
The nervous system is made up of nerve cells that helps to send and receive signals that are interpreted by the brain.
The parts of the nerve cell include the following:
The axon is part of the nerve cell that transmits electrical signals. it is surrounded by myelin sheath.
The myelin sheath is a fatty layer that insulates the axon and helps it transmit signals over long distances.
Therefore, the fatty substance that insulates and protects the axon is myelin sheath.
Learn more about neurons here:
brainly.com/question/13061744
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Meiosis is a form of cell division that results in four daughter cells. It is germline cells (gametes) that undergo this process.
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Answer: Whereas an atom whose outermost electron shell is completely filled is least likely to bond with other atoms as the atom is stable due to completely filled shell.
Explanation:
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lungs or ribs that separate the two upper chambers from each other
