NERVOUS SYSTEM

Question 1

NERVOUS SYSTEM FUNCTIONS

Answer 1

• perception of external world (also body state)
• thinking, reasoning, memory, language, emotion + motivation
• action
• regulation of body functions (breathing, digestion + heart rate)

Question 2

CENTRAL NERVOUS SYSTEM

Answer 2

• brain + spinal cord
• perception, cognition + action
• manager of behaviour

Question 3

PERIPHERAL NERVOUS SYSTEM

Answer 3

• nerves + receptors

- sensation, action + body regulation

Question 4

SOMATIC NERVOUS SYSTEM

Answer 4

• sensory receptors taking info (from muscles, skin) TO brain
• motor neurones taking info FROM brain to skeletal muscle
• FUNCTION -> input to (sensory) + output from (motor) brain

Question 5

AUTONOMIC NERVOUS SYSTEM

Answer 5

• sensory receptors taking info (from smooth muscle, heart muscle, glands, adipose) TO brain
• motor neurones taking info FROM brain to viral organs
• FUNCTION -> body regulation
• sympathetic/ parasympathetic

Question 6

SYMPATHETIC NERVOUS SYSTEM

Answer 6

e.g. causing increase in heart rate

Question 7

PARASYMPATHETIC NERVOUS SYSTEM

Answer 7

e.g. causing decrease in heart rate

Question 8

ENTERIC NERVOUS SYSTEM

Answer 8

considered the ‘brain’ of the gut