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Question
Name the type of nerve which has the fibres of both sensory and motor neurons.
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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.
RELATED QUESTIONS
A part of the body which responds to the instructions sent from the nervous system is called ____________.
Reflex arc is formed by:
Assertion: Reflex Arc works faster than the thinking process of the brain.
Reason: Reflex Arc works in the case of those animals who do not have a thinking process.
Which is the correct sequence of the components of a reflex arc?
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
Junction between two neurons is called
What are reflex actions? Give two examples. Explain a reflex arc.
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?
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.
