Anatomy
The two main parts of the Nervous System each contains billions of cells called
Neurons or Nerve cells that send and receive electrical signals
The body's command centre that controls nearly everything, like movement, thoughts, and responses
The Nervous System
A term used to indicate awareness of one's self, bodily sensations, thoughts and of the environment
Consciousness
What is the protective outer layer of each nerve? and what is its function?
Myelin
Insulates the nerve and helps messages get through
What is a nerve that has trouble sending messages or receiving messages?
Damaged/injured nerve
What system consists of many nerves that branch out all over the body? and what are some body parts that this system relays to?
Peripheral Nervous System
Can relay to organs, legs, arms, fingers, toes
Name at least 3 conditions that can affect nerves
Diseases like infections, cancers, autoimmune diseases
Stroke, accidental injury, Pressure
Toxic Substances, Aging Process
What system is the brain and spinal cord part of? and what is the brain's function?
Central Nervous System (CNS)
The brain's function is to use nerves to send messages to the rest of your body
How do you keep a healthy nervous system?
See doctor regularly, eat healthy diet, avoid drugs, and only drink alcohol in moderation
Which system guides the body's voluntary movements? and which system controls non-voluntary movements?
Somatic nervous system controls voluntary
Autonomic nervous system controls non-voluntary
What are neurons? and what are the 2 different neurons and its functions?
Neurons are a network of specialized cells that send electrical signals to and from other cells
Motor neurons, tell muscles to move
Sensory neurons, take information from senses and send signals to brain