The Neuron

Cells are the basic unit of structure and function in all living things. This means that cells and parts of cells help organisms do the things that allow us to live. Cells, forms tissues, that form organs, that form organ systems. Each organ system has special cells that help carry out the specific function of the system.

For example, the neuron is a special cell in the nervous system (brain, spinal cord, nerves). The structure of a neuron allows the cells to pass or transmit information to other nerve cells, muscle, or gland cells. Most neurons have a cell body, an axon, and dendrites.

• I don't get it.

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What organ system does the neuron belong to?

• respiratory system

• digestive system

• muscular system

• nervous system

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Neurons (nerve cells) form nervous tissue and organs like __________.

• the trachea, lungs, and alveoli

• the brain, spinal cord, and nerves

• the esophagus, stomach, and intestines

• the heart, veins, and arteries

Which part of the neuron looks like most cells?

• dendrites

• axon

• axon terminal

• cell body (soma)

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Which part of the neuron looks like the branches of a tree?

• dendrites

• axon

• axon terminal

• cell body (soma)

Which part of the neuron looks like the roots of a tree?

• dendrites

• axon

• axon terminal

• cell body (soma)

Which part of the neuron looks like the trunk of a tree?

• dendrites

• axon

• axon terminal

• cell body (soma)

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Neurons receive most of their information at the __________.

• dendrites

• axon

• axon terminal

• cell body (soma)

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Which part of the neuron contains the nucleus (part of the cell that stores DNA/genetic material)?

• dendrites

• axon

• axon terminal

• cell body (soma)

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Which part of the neuron receives information from the soma and passes the signal down to the other end of the neuron?

• dendrites

• axon

• axon terminal

• cell body (soma)

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