# 1pilihanWhat is the main function of the human nervous system?To digest foodTo pump bloodTo control and coordinate body functionsTo produce hormones
# 2pilihanWhich two main parts make up the central nervous system?Brain and heartBrain and spinal cordSpinal cord and nervesNerves and muscles
# 4pilihanWhich system sends signals from the body to the central nervous system?Digestive systemRespiratory systemPeripheral nervous systemCirculatory system
# 6pilihanWhat happens when you accidentally touch a hot object?You slowly move your hand awayYou think and then move your handYou immediately pull your hand awayYou do nothing
# 7pilihanWhich of the following is an example of a voluntary action?HeartbeatDancingSneezingBreathing
# 8pilihanWhat part of the nervous system controls reflex actions like sneezing?BrainHeartSpinal cordLungs
# 9pilihanWhat would happen if the peripheral nervous system is damaged?Improved memoryFaster reflexesDisturbed signal transmissionBetter coordination
# 10pilihanWhich condition is caused by damage to the peripheral nerves controlling facial muscles?Bell's palsyAsthmaDiabetesArthritis
# 11pilihanWhy is it important to eat a balanced diet for your nervous system?To make muscles strongerTo help nerves function properlyTo improve eyesightTo increase height
# 12pilihanHow does wearing a helmet help protect your nervous system?It looks coolIt keeps you warmIt protects your brain from injuryIt makes you ride faster
# 13pilihanWhat is the correct order of the signal pathway for voluntary actions, like looking at a flower?Response → Sensory organ → Brain → StimulusStimulus → Sensory organ → Brain → ResponseBrain → Stimulus → Sensory organ → ResponseStimulus → Brain → Sensory organ → Response
# 14pilihanWhich of the following is NOT a function of the nervous system?Detecting stimuliCoordinating body responsesDigesting foodTransmitting signals
# 15pilihanWhat should you do to strengthen your neural network system?Sleep 3 hours a dayEat only sweetsGet enough sleep (7-8 hours a day)Skip breakfast
# 16pilihanWhich action is most likely to be controlled by the brain?Reflex when touching something hotHeartbeatTalkingSneezing
# 17pilihanWhy should you maintain good posture while doing daily activities?To look tallerTo avoid damaging the nervous systemTo run fasterTo breathe better
# 18pilihanWhat does the peripheral nervous system NOT include?NervesNeural networkBrainSignal transmission
# 19pilihanWhich of the following habits may slow down the transmission of signals in the nervous system?Eating vegetablesDrinking alcoholic beveragesExercising regularlyGetting enough sleep