Question
Afferent and Efferent nerves are found in which of the following ?
The correct answer is
Somatic Nervous System
Afferent Efferent Nerve Basics
Nerves are classified based on the direction they transmit signals:
- Afferent nerves (sensory nerves) carry sensory information from receptors towards the central nervous system (CNS).
- Efferent nerves (motor nerves) carry motor commands from the CNS to muscles or glands.
Somatic Nervous System Function
The Somatic Nervous System (SNS) controls voluntary muscle movements and relays sensory information. It enables conscious control over skeletal muscles and transmits sensations to the CNS.
Nerve Types in Somatic System
The Somatic Nervous System utilizes both afferent and efferent nerve pathways:
- Afferent neurons bring sensory data from the body (skin, muscles) to the CNS.
- Efferent neurons send motor commands from the CNS to skeletal muscles, causing action.
Therefore, afferent and efferent nerves are integral parts of the Somatic Nervous System.
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Important Questions from Nervous system
- Read each of the following two statements - Assertion (A) and Reason (R); and indicate your answer using code given below :
Assertion (A) : Increase in synaptic strength is due to the simultaneous stimulation of pre - synaptic and post - synaptic neurons.
Reason (R) : Long term Potentiation can be induced in the laboratory by stimulating the pre - synaptic neurons with pulses of high frequency of electricity for few seconds.
Code : - Where is Broca’s area located ?
- Which of the following are regulated by Sympathetic Nervous System ?
(a) Dilation of pupils
(b) Decreased activity of Adrenal Gland
(c) Digestion is stimulated
(d) Increased Heart Rate
(e) Dryness in mouth
Code : - In which parts of brain the feeling of hunger and full are felt ?
- Which of the following is the final destination for much of the brain's information about emotion, before action is taken ?
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