LAST A AND P 2

what are three broad functions of the nervous system

sense, process and respond

what is the difference between sensory and motor pathways

Sensory towards the CNS motor away from CNS

what is the difference between somatic and autonomic motor system

Somatic targets skeletal muscle autonomic primarily targets smooth muscle and glands.

what is the main difference between sympathetic and parasympathetic activity

sympathetic is the fight of flight and parasympathetic is digest

what is the all or none principle

is when the electricity is enough to meet the threshold

how do messages cross the synapse

An action potential reaches the presynaptic terminal, neurotransmitter is released, crosses the cleft, binds to postsynaptic receptors and alters the next cell.

What is the main difference between a reflex and many other nervous system responses?

reflexes happen rapidly in the spinal cord and begin before conscious processing by the brain.

What is proprioception, and how does it assist us in daily life?

Proprioception is the sense of body position and movement

What happens during depolarisation and repolarisation?

Depolarisation increases sodium repolarisation involves decrease of potassium