Vocabulary
Something that causes a response in the body. (Uses 5 senses)
Stimulus
In the Catch the Ruler activity, this sense organ detects the falling ruler.
Eye
This organ processes incoming messages.
Brain
A quick response that happens without conscious thought.
Reflex
What gets wetter the more it dries?
a towel
A behavior or action that results from a stimulus.
Response
What is the brain?
The control center for our body.
This structure carries messages between the brain and the body.
Spinal Cord
The knee-jerk reaction is an example of this type of pathway.
Reflex Arc
What has one eye but cannot see?
a needle
A neuron that receives information from the environment and sends it toward the brain through the spinal cord.
Sensory Neuron
What is the spinal cord?
A highway for our neurons
The brain can store messages as these.
Memories
In a reflex arc, this organ is skipped.
the Brain
What can you catch but not throw?
A cold
A neuron that carries messages to muscles and causes an action.
Motor Neuron
The final body part that carries out the response.
The muscle
The central nervous system consists of these two parts.
brain and spinal cord?
A reflex arc follows this pathway.
Sensory Neuron → Spinal Cord → Motor Neuron → Response
Why was the math book sad?
It had too many problems.
The body system that senses stimuli and helps the body respond.
Nervous System
Name the complete pathway for catching the ruler.
Stimulus → Sensory Neuron→ Spinal Cord → Brain → Spinal Cord → Motor Neuron → Response
True or False: Every nervous system pathway must go through the brain.
False
What do reflexes do for us?
It protects our bodies.
I am light as a feather, but the strongest person can't hold me for more than a few minutes. What am I?
Your breath