Question: What two divisions does the peripheral nervous system divide into?

Answer: sensory somatic, autonomic

Question: sensory somatic nervous system

Answer: control: voluntary reactions

effector organs: skeletal muscles

number of neurons from CNS to effector: 1

effect of nerve impulse on muscle: excites muscle

Question: autonomic nervous system

Answer: control: involuntary reactions

effector organs: cardiac & smooth tissue, blood vessels, glands

number of neurons from CNS to effector: 2

effect of nerve impulse on muscle: excites or inhibits muscle

Question: What two divisions if the autonomic nervous system divided into?

Answer: sympathetic, parasympathetic

Question: sympathetic nervous system

Answer: “fight or flight” reactions

• increase blood pressure + blood flow away from digestive system toward brain, heart, skeletal muscles

• - releases adrenaline