NEET Exam > NEET Videos > Biology Class 11 > Audio Notes: Neural Control and Coordination
Audio Notes: Neural Control and Coordination Video Lecture | Biology Class 11 - NEET
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FAQs on Audio Notes: Neural Control and Coordination Video Lecture - Biology Class 11 - NEET
| 1. What is the role of neurons in neural control and coordination? |  |
Ans. Neurons are the fundamental units of the nervous system responsible for transmitting signals throughout the body. They play a crucial role in neural control and coordination by receiving information from sensory receptors, processing that information, and sending commands to muscles and glands. This process is essential for reflex actions, voluntary movements, and various bodily functions.
| 2. How do the central nervous system and peripheral nervous system interact? | |
Ans. The central nervous system (CNS), consisting of the brain and spinal cord, processes information and makes decisions. The peripheral nervous system (PNS) connects the CNS to the rest of the body, carrying sensory information to the CNS and motor commands from the CNS to muscles and glands. This interaction enables the body to respond to internal and external stimuli effectively.
| 3. What are reflex actions, and how do they function? | |
Ans. Reflex actions are automatic, rapid responses to specific stimuli that do not require conscious thought. They occur through a reflex arc, which involves sensory neurons detecting a stimulus, transmitting signals to the spinal cord, and then motor neurons relaying a response to the muscles. This process allows for quick reactions, such as pulling a hand away from a hot surface.
| 4. What is the significance of neurotransmitters in neural communication? | |
Ans. Neurotransmitters are chemical messengers that transmit signals across synapses between neurons. They are crucial for communication within the nervous system, influencing various functions such as mood, sleep, and muscle contractions. Different neurotransmitters have specific roles, and imbalances can lead to neurological disorders.
| 5. How does the autonomic nervous system contribute to homeostasis? | |
Ans. The autonomic nervous system (ANS) regulates involuntary bodily functions, such as heart rate, digestion, and respiratory rate, helping maintain homeostasis. It is divided into the sympathetic and parasympathetic systems, which work in opposition to balance the body's responses to stress and relaxation, ensuring optimal functioning under varying conditions.
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Oct 15, 2025
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