Neurons (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many types of neurons are there?
How many types of neurons are there?
Three
Where do sensory neurons carry electrical impulses?
Where do sensory neurons carry electrical impulses?
From sense organs to CNS
Where is the cell body of a sensory neuron located?
Where is the cell body of a sensory neuron located?
Outside the CNS
Where do motor neurons carry electrical impulses?
Where do motor neurons carry electrical impulses?
From CNS to muscles and glands
Where is the cell body of a motor neuron located?
Where is the cell body of a motor neuron located?
Inside the CNS
What is the function of interneurons?
What is the function of interneurons?
Carry information between sensory and motor
What are effectors?
What are effectors?
Organs that carry out CNS actions
What is the myelin sheath made from?
What is the myelin sheath made from?
Lipids
Which cells comprise the myelin sheath?
Which cells comprise the myelin sheath?
Schwann cells
What are nodes of Ranvier?
What are nodes of Ranvier?
Gaps in myelin that speed up impulses
Which type of neuron lacks a myelin sheath?
Which type of neuron lacks a myelin sheath?
Interneurons
How do motor neurons differ structurally from sensory neurons?
How do motor neurons differ structurally from sensory neurons?
Motor have short dendrites & long axons