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Quick Revision: Nervous System Video Lecture | Science Class 5

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FAQs on Quick Revision: Nervous System Video Lecture - Science Class 5

1. What are the main functions of the nervous system?
Ans. The main functions of the nervous system include receiving sensory input, processing information, coordinating body movements, maintaining homeostasis, and regulating emotions.
2. How is the nervous system classified?
Ans. The nervous system is classified into the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, while the PNS consists of nerves outside the CNS.
3. What are neurons and what is their role in the nervous system?
Ans. Neurons are the basic building blocks of the nervous system that transmit information through electrical and chemical signals. Their role is to communicate with each other and with other cells to carry out various functions.
4. What is the fight or flight response and how does the nervous system control it?
Ans. The fight or flight response is a physiological reaction to stress that prepares the body to either confront or flee from a threat. The sympathetic nervous system controls this response by increasing heart rate, dilating pupils, and releasing adrenaline.
5. How does the nervous system work with other body systems to maintain homeostasis?
Ans. The nervous system works with other systems such as the endocrine system and immune system to regulate various bodily functions and maintain internal balance. It coordinates responses to external and internal stimuli to keep the body in a state of equilibrium.
44 videos|204 docs|45 tests

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