This category explains how the nervous system controls and coordinates body functions, including reflexes, sensory pathways, and motor responses that maintain homeostasis.
Afferent neurons (sensory neurons) carry impulses from sensory receptors to the CNS.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The sodium-potassium pump maintains the resting membrane potential by actively transporting Na⁺ out and K⁺ into the neuron.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The brainstem (medulla, pons, and midbrain) controls vital involuntary functions like breathing, heart rate, and digestion.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
Acetylcholine is the primary neurotransmitter that facilitates communication at neuromuscular junctions, triggering muscle contraction.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The medulla oblongata controls involuntary functions such as heart rate, respiration, and digestion.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The sodium-potassium pump actively transports sodium (Na⁺) out of the neuron and potassium (K⁺) into the neuron.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
Baroreceptors, found in the walls of arteries, detect changes in blood pressure and help regulate it.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The cerebellum is responsible for coordinating voluntary movements, balance, and posture.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The limbic system plays a key role in emotions, motivation, learning, and memory.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The autonomic nervous system regulates involuntary functions such as heart rate, digestion, and glandular secretions.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
Interneurons act as connectors between sensory and motor neurons, processing and transmitting signals within the CNS.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
The midbrain integrates and processes sensory inputs related to vision, hearing, and motor control.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Sensory Organs - Ear - Structure and Physiology of Hearing and Balance
