PNS Divisions and Functions — NEET Biology
📚 Practice ConceptThe PNS is divided into two divisions called somatic neural system and autonomic neural system. The somatic neural system relays impulses from the CNS to skeletal muscles while the autonomic neural system transmits impulses from the CNS to the involuntary organs and smooth muscles of the body. The autonomic neural system is further classified into sympathetic neural system and parasympathetic neural system.
Which of the following statements correctly describe the characteristics and functions of the Autonomic Nervous System (ANS)? S1. The ANS primarily transmits impulses from the Central Nervous System (CNS) to skeletal muscles, facilitating voluntary actions. S2. It functions largely under conscious control, allowing deliberate regulation of heart rate and digestion. S3. The ANS is further classified into sympathetic and parasympathetic neural systems. S4. It regulates the activity of involuntary organs and smooth muscles of the body. S5. The visceral nervous system, which includes ganglia and plexuses, is a part of the ANS, mediating impulses to and from the viscera. Choose the correct option:
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