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Nervous System in Animals Video Lecture | Crash Course: Class 10

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1. What is the nervous system in animals?
The nervous system in animals is a complex network of specialized cells, tissues, and organs that coordinate and control the functions of the body. It allows animals to receive, process, and respond to internal and external stimuli, enabling them to survive and interact with their environment.
2. What are the main components of the nervous system in animals?
The main components of the nervous system in animals include the brain, spinal cord, and nerves. The brain acts as the control center, receiving and interpreting information from the body and sending out appropriate responses. The spinal cord connects the brain to the rest of the body, transmitting signals between the brain and nerves. Nerves are specialized cells that carry electrical signals throughout the body.
3. How does the nervous system in animals work?
The nervous system works through the transmission of electrical signals called nerve impulses. When a stimulus is detected by sensory receptors, such as touch or light, it is converted into a nerve impulse. The impulse then travels along sensory neurons to the brain or spinal cord, where it is processed. The brain sends out a response through motor neurons, which carry the impulse to muscles or glands, resulting in a specific action or reaction.
4. What are the functions of the nervous system in animals?
The nervous system in animals has several essential functions. It controls and coordinates body movements, allowing animals to walk, run, and perform intricate tasks. It regulates bodily functions such as breathing, heart rate, and digestion. The nervous system also enables animals to sense their surroundings, perceive pain, and process information, facilitating learning, memory, and decision-making.
5. How does the nervous system in animals differ from the human nervous system?
While the basic structure and function of the nervous system are similar in animals and humans, there are some differences. The human nervous system is more complex and developed, allowing for higher cognitive functions and language abilities. Humans have a larger brain and more specialized regions, such as the prefrontal cortex responsible for decision-making and the ability to plan for the future. Additionally, humans have a more developed social and emotional capacity, which is reflected in the complexity of their nervous system.
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