Nervous system organisation Flashcards
What can the nervous system divided into?
Central nervous system
Peripheral nervous system
What do sensory functions involve?
Sensory receptors that detect internal and external changes
What makes up the CNS
Brain and spinal cord
What makes up the peripheral nervous system?
Cranial and spinal nerves
Where does the nervous system receive info from?
Sensory receptors and initiates a response through effecter organ (muscle and glands)
What is the PNS separated into ?
Sensory division and motor division
What does motor divisions do?
Impulses from CNS (efferent)
What does sensory division do?
To CNS (afferent)
What can the efferent (motor division) be?
Somatic NS voluntary (skeletal muscle) Autonomic Involuntary (Cardiac muscle glands)
What dies integrative functions do?
Collect sensory info and make decisions that motor functions carry out
What do motor functions stimulate?
effectors to respond