Division Of The Nervous System Flashcards
What is The central nervous system split into
Brain and spinal cord
What is the nervous system
Network of nerve cells that carry messages to and from the brain
SIDE 1- what is the CNS
Control of behaviour and regulates body’s process’
CNS breaks down into 2 things
Name and explain them
1-THE BRAIN 🧠
- centre of conscious awareness
- info picked up by senses and sent to break to produce behaviour
Eg it’s bright so you put glasses on
2-Spinal cord 🦴
-extension of the brain
SIDE TWO of the nervous system- peripheral nervous system
What is it and what does it break down into
Peripheral nervous system-All body functions outside the CNS
Breaks down into :
- Somatic nervous stem -
- Autonomic nervous system
What is the somatic nervous system and the autonomic nervous system ?
And what two parts does the autonomic break into ?
- Somatic nervous stem - brain 🧠and 💪🏼muscle = movement
- Autonomic nervous system
-everything not under our control - happens automatically breathing.
a. Sympathetic 🏃
- fight or flight
- ^ HR, sweating, ^ blood flow to muscle.
b. Parasympathetic 🐌
- homeostasis - gets body back to normal
Happens 30sec - 1 min after sympathetic