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Question
Name the type of nerve which has the fibres of both sensory and motor neurons.
Solution
Mixed nerves
Explanation:
A mixed nerve includes both sensory (afferent) and motor (efferent) nerve fibres. All 31 spinal nerve pairs are mixed nerves, as are four of the twelve cranial nerves.
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RELATED QUESTIONS
Which of the following statements are true?
- Sudden action in response to something in the environment is called reflex action
- Sensory neurons carry signals from spinal cord to muscles
- Motor neurons carry signals from receptors to spinal cord
- The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc
Label the parts (a), (b), (c) and (d) and show the direction of flow of electrical signals in the given figure.
What are reflex actions? Give two examples. Explain a reflex arc.
From where the following nerves arise.
Auditory nerve
Which one is NOT a reflex action?
Route of reflex arc is ______.
In the given diagram:
- Name the parts labelled A, B, and C.
- Write the functions of A and C.
- Reflex arcs have evolved in animals? Why?
Sensory nerve of a reflex arc carries information from the receptor cells to the ______.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Receptor, Response, Effector, Spinal Cord.
Arrange and rewrite the terms in group in the correct order to be in a logical sequence, beginning with the term that is underlined:
Effector, Receptor, Motor neuron, Sensory neuron.
