1. Nervous System
-the nervous system is the body system that sends and receives messages within the body
-parts of the nervous system
include the brain, spinal cord, and
neurons
-neurons are a type of cell that can
send signals to each other

2. Nervous System
-the nervous system controls the functions of the body much like the nucleus of a cell controls the functions of the cell
3 Functions of the Nervous System:
1. It monitors the body’s internal and
external environments
2. It controls and regulates sensory
information
3. It coordinates responses with other
organ systems

3. Nervous vs. Endocrine
Compare the nervous system with the endocrine system. How are they alike? How are they different?
Nervous
System
Endocrine
System