Nervous System Basics
What body system controls and coordinates many of the body's activities?
The nervous system.
The nervous system quickly receives and sends signals that coordinate the response.
The brain and spinal cord.
What condition happens when a person has repeated seizures because of unusual electrical activity in the brain?
Epilepsy.
What organ should you protect by wearing a helmet when riding a bicycle?
The brain
What are the two major divisions of the nervous system?
The central nervous system and peripheral nervous system.
Which part of the nervous system carries messages between the brain and the rest of the body?
The spinal cord.
This illness involves inflammation of the protective membranes surrounding the brain and spinal cord. It can be caused by infections.
Meningitis
Why is getting enough sleep important for the nervous system?
It allows the brain and body to rest and function properly.
Your nervous system helps you respond to changes inside and outside your body. What is a change that causes a response called?
A stimulus.
The nerves that extend throughout your arms, legs, and other parts of your body belong mainly to which division?
The peripheral nervous system
After an accident, a person has difficulty remembering information or events. What condition involves the loss or disruption of memory?
Amnesia.
Give one healthy habit that can help protect your nervous system.
Getting enough sleep, eating nutritious food, exercising, protecting the head from injury, managing stress, etc.
Your friend suddenly calls your name. You hear them, recognize their voice, and turn toward them. What body system helps coordinate this response?
The nervous system.
A message needs to travel from your hand to your brain. Which structures help carry that message?
Nerves and the spinal cord.
This viral disease can affect the nervous system and may cause muscle weakness or paralysis.
Poliomyelitis (Polio)
A student stays up very late every night and gets very little sleep. How might this affect their nervous system?
It can affect concentration, memory, mood, alertness, and overall brain function.
You touch something unexpectedly hot and quickly move your hand away. Why can your body respond so quickly?
The nervous system quickly receives and sends signals that coordinate the response.
A person can move their hand, but they cannot feel a touch on that hand. What does this situation suggest about the nervous system?
There may be a problem with the nerves or pathways that carry sensory information.
A blood clot blocks a blood vessel that supplies blood to the brain. This prevents part of the brain from getting enough blood and oxygen. What condition is this called?
Cerebral thrombosis.
Your classmate wants to protect their nervous system while playing sports. Give two things they can do.
Wearing appropriate protective equipment, following safety rules, warming up properly, staying hydrated, and avoiding dangerous behavior.