The Central Nervous System (Grade 12 NSC Matric Life Sciences): Flashcards
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Practise the cards
10 cards from this deck
Definition of stimuli
Definition of stimuli
Changes that require responses; signals body must react to
Two components of CNS
Two components of CNS
Brain and spinal cord
Brain tissue repair capability
Brain tissue repair capability
Cannot repair itself if damaged
Three brain protection mechanisms
Three brain protection mechanisms
Cranium, meninges, cerebrospinal fluid
Main functions of cerebrum
Main functions of cerebrum
Voluntary movement, sensory processing, thinking, memory
Main functions of cerebellum
Main functions of cerebellum
Balance, coordination, smooth movements, posture
Main functions of medulla oblongata
Main functions of medulla oblongata
Breathing, heartbeat, swallowing, reflexes
Main functions of hypothalamus
Main functions of hypothalamus
Hunger, thirst, sleep-wake cycles, body temperature
Grey vs white matter in spinal cord
Grey vs white matter in spinal cord
Grey: nerve cell bodies; White: nerve fibres
Three parts of a neuron
Three parts of a neuron
Dendrites, cell body, axon