Nervous System ES

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.

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NGSS.HS-LS1-2

NGSS.HS-LS1-4

What organ system does the neuron belong to?

• respiratory system

• digestive system

• muscular system

• nervous system

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NGSS.MS-LS1-3

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

• the lungs,

• the brain, spinal cord, and nerves

• the stomach and intestines

• the heart, veins, and arteries

Tags

NGSS.HS-LS1-2

Which part of the neuron looks like the branches of a tree and receives signals from other neurons?

• dendrites

• axon

• axon terminal

• cell body (soma)

Which part of the neuron looks like the roots of a tree and sends signals to other neurons or muscles?

• dendrites

• axon

• axon terminal

• cell body (soma)

Which part of the neuron has the nucleus?

• dendrites

• axon

• axon terminal

• cell body (soma)

Which part of the neuron can have segments of myelin on it?

• dendrites

• axon

• axon terminal

• cell body (soma)

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)

The main function of the neuron is ____________.

• sending and receiving signals

• secreting hormones

• exchanging oxygen and carbon dioxide

• removing waste products

What is "A"?

• Dendrite
• Axon
• Axon Terminal
• Cell Body