Page 60 - Science Course 2 (Book 1)

Mo2-L4b: How Does the Body Move?

Let’s Begin
Mo2-L4b How Does the Body Move?

KEY CONCEPTS: Control and Coordination
1. How does the body move?
The brain and the spinal cord form the central
nervous system.

Vocabulary A-Z All other nerves are part of the peripheral nervous
system that extends throughout the entire body.
Let us learn some vocabulary
Brain

neuron
the basic functioning unit of the nervous system; a
nerve cell.
Spinal Cord

Peripheral Nerves

reflex
an automatic movement in response to a stimulus.

The nervous system is a group of organs and
specialized cells that detect, process, and respond
to information.

Brain

Nerve cell

hormone
a chemical signal that is produced by an endocrine
gland in one part of an organism and carried in the Spinal cord
bloodstream to another part of the organism.
Nerve cells, or neurons, are the
Liver Skeletal muscle basic unit of the nervous
system.

Information enters the
nervous system through
Adipose tissue neurons in the peripheral
nervous system.
Pituitary gland
Bone
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