14.3 - Nervous Organisation Flashcards
The structural organisation of the nervous system The functional organisation of the nervous system The divisions of the autonomic nervous system
What are the two main parts of the mammalian nervous system?
- Central nervous system (CNS)
- Peripheral nervous system (PNS)
What does the CNS consist of?
Brain and spinal cord
What does the PNS consist of?
Nerves connecting CNS to rest of body
What are the two divisions of the PNS?
What are the two types of system?
- Sensory nervous system
- Motor nervous systems
What does the sensory nervous system do?
Carries impulses from receptors to CNS
What does the motor nervous system do?
Carries impulses from CNS to effectors
What are the functional divisions of the nervous system?
Somatic and autonomic nervous systems
What does the somatic nervous system control?
Voluntary muscle movements
What does the autonomic nervous system control?
Involuntary activities
What are the divisions of the autonomic nervous system?
Sympathetic and parasympathetic nervous systems
What does the sympathetic nervous system activate?
Fight or flight response
What does the parasympathetic nervous system activate?
Rest and digest response
What is the relationship between sympathetic and parasympathetic nervous systems?
Antagonistic
