Chapter 7 Lesson 2

Which system helps give the body structure and the ability to move?

• the nervous system

• the muscular system

• the endocrine system

What is an important job of the peripheral nervous system?

• to receive and process reflex signals

• to gather information about the environment

• to release chemical hormone messages throughout the body

How does the speed of the endocrine system compare to the speed of the nervous system in transmitting signals?

• the nervous system is faster

• the endocrine system is faster

• The nervous and endocrine systems work at the same speed.

A is the basic unit of the nervous system.

• hormone

• reflex

• senses

• spinal cord

• neuron

An automatic movement in response to a stimulus is a _____________________.

• hormone

• reflex

• neuron

• spinal cord

• senses

A is a chemical message that travels through the circulatory system.

• hormone

• neuron

• spinal cord

• muscles

• reflex

The brain and make up the central nervous system.

• hormone

• neuron

• spinal cord

• muscles

• reflex

Bones can move because they are attached to  .

• neurons

• spinal cord

• senses

• reflex

• muscles

People detect their environment through their five __________________________.

• neurons

• muscles

• spinal cords

• senses

• reflexes