Biopsychology - The Nervous And Endocrine System Flashcards
What two components make up the Central Nervous System?
Brain and spinal cord
The brain is the control centre responsible for thought, emotion and _______
Action
The spinal cord acts as a pathway for sensory and _______ signals between the brain and the body
Motor
What is the function of the brain in the CNS?
Control centre for CNS
What is the primary role of the spinal cord in the CNS?
Pathway for sensory signals
What type of actions does the brain control?
Voluntary and involuntary
What does the CNS regulate?
The body’s physiological processes
The brain maintains the body’s internal _____________
Environment
What does the spinal cord control?
Reflex actions
The spinal cord relays information from the brain to the _____ ___ _____ _______
Rest of the body
What are the two sub-sections of the peripheral nervous system?
- autonomic nervous system
- somatic nervous system
What is the PNS made up of?
All the nerves outside of the CNS
What is the role of the PNS?
Transmits messages via millions of neurons to and from the CNS
What is the function of the ANS?
Governs vital functions e.g. breathing, HR
True or false the ANS operates voluntarily?
False - involuntarily
What are the two sub-sections of the ANS?
- sympathetic nervous system
- parasympathetic nervous system
What is the sympathetic nervous system used for?
Fight or flight
Does the sympathetic nervous system increase or decrease HR during emergencies?
Increase
What is the parasympathetic nervous system used for?
Rest and digest
When does the parasympathetic nervous system relax the body?
After the stressor has passed
What does the somatic nervous system control?
Muscle movement
The SNS transmits info from ________ cells to the _____
Receptor, CNS
What is the endocrine system?
A network of glands that secrete hormones
How does the endocrine system communicate?
Via hormones in the bloodstream