Nervous System (AQA GCSE Biology Combined Science): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
What do neurones carry?
What do neurones carry?
Electrical impulses
3 types of neurones
3 types of neurones
Sensory, relay, motor
Sensory neurones carry impulses where
Sensory neurones carry impulses where
From receptors to CNS
Motor neurones carry impulses where
Motor neurones carry impulses where
From CNS to effectors
Where relay neurones are found
Where relay neurones are found
In CNS (brain & spinal cord)
Role of relay neurones
Role of relay neurones
Link sensory to motor neurones
Function of axon
Function of axon
Carries impulses over long distances
What myelin sheath is
What myelin sheath is
Fatty covering around axon
Why myelin sheath is important
Why myelin sheath is important
Insulates & speeds up impulse transmission
Role of dendrites
Role of dendrites
Collect impulses