Chapter 3- Nerve Cells And Nerve Impulses Flashcards Preview

Human Biology Unit 3 > Chapter 3- Nerve Cells And Nerve Impulses > Flashcards

Flashcards in Chapter 3- Nerve Cells And Nerve Impulses Deck (7)
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1

What is the nervous system?

The body system involved with control and coordination of the body.

2

What is the central nervous system (CNS)?

The part of the nervous system that consists of the brain and spinal cord.

3

What is the peripheral nervous system (PNS)?

The part of the nervous system that connects the central nervous system with receptors, muscles and glands.

4

What is a neuron?

A nerve cell; the basic structural and functional unit of the nervous system.

5

What is an interneuron?

A nerve cell in the brain or spinal cord that carries messages in between other nerve cells; also called association neurons or connector neurons.

6

What is a cell body?

The part of a neuron that contains the nucleus.

7

What are dendrites?

Extensions of the nerve cell body; carries nerve impulses into the cell body.