3 Flashcards
1
Q
The division of the PNS that controls the glands and the muscles of the internal organs is?
A
Automatic nervous system
2
Q
The 2 divisions of automatic nervous system are? Functions?
A
- sympathetic nervous system: controls organs in times of stress
- parasympathetic nervous system: controls organs when the body rests
3
Q
What’s a reflex
A
Rapid, involuntary reaction to a stimulus
4
Q
What’s a reflex arc?
A
Is a specialized pathway by which impulse can travel from receptors to effector
5
Q
Reflex arc consists of?
A
1) receptor of sense organ detects stimuli
2) sensory neuron conducts message to CNS
3) reflex center (brain & spinal cord)
4) motor neuron conducts message to effector
5) effectors (muscles or glands)