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FAQs on Learn at a Glance: Nervous System - Science Class 5

1. What is the nervous system and what are its main functions?
Ans. The nervous system is a complex network of nerves and cells that transmit signals between different parts of the body. Its main functions include controlling and coordinating body activities, processing sensory information, and facilitating communication between different body parts.
2. What are the two main parts of the nervous system?
Ans. The nervous system is mainly divided into two parts: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which consists of all the nerves outside the CNS that connect it to the rest of the body.
3. How does the nervous system respond to stimuli?
Ans. The nervous system responds to stimuli through a series of steps: sensory receptors detect changes (stimuli), the information is sent to the brain via sensory neurons, the brain processes the information, and then sends signals back through motor neurons to the muscles or glands to elicit a response.
4. What role do neurons play in the nervous system?
Ans. Neurons are the basic building blocks of the nervous system. They are specialized cells that transmit nerve impulses. Neurons communicate with each other through synapses, allowing for the rapid transmission of information throughout the body.
5. Why is it important to take care of our nervous system?
Ans. Taking care of our nervous system is important because it controls all bodily functions, including movement, sensation, and even emotions. A healthy nervous system ensures proper communication between the brain and the body, contributing to overall well-being and quality of life.
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