Short Questions: Our Nervous System | Eureka Plus Class 5: Book Solutions, Notes & Worksheets PDF Download

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Q1: What are the main parts of the human nervous system?
Ans: The main parts of the human nervous system are the brain, spinal cord, and nerves. The brain controls everything we do, the spinal cord connects the brain to the body, and the nerves send messages back and forth.

Q2: What does the cerebrum help us do?
Ans: The cerebrum helps us think, remember things, and learn. It also helps us use our senses like seeing, hearing, and tasting.

Q3: What is the job of the medulla oblongata?
Ans: The medulla oblongata controls important body functions like heartbeat, breathing, and blood flow. It helps keep us alive by regulating these vital activities.

Q4: How does the spinal cord protect the body?
Ans: The spinal cord is protected by the bones in our spine. It is also surrounded by a special fluid that keeps it safe from bumps and shocks, just like a cushion.

Q5: What are sensory nerves responsible for?
Ans: Sensory nerves carry information from our body parts, like fingers and skin, to the brain. They help us feel things like touch, pain, and temperature.

Q6: What happens during a reflex action?
Ans: During a reflex action, the body quickly reacts to something that could be harmful. For example, if you touch something hot, your sensory nerves send a message to the spinal cord, which quickly tells your muscles to move away.

Q7: How do our ears help us hear?
Ans: Our ears help us hear by having a special part called the eardrum. When sound waves hit the eardrum, it vibrates, and these vibrations are turned into signals sent to the brain, allowing us to recognize sounds.

Q8: What role does the tongue play in tasting food?
Ans: The tongue has tiny sensors called taste buds that help us taste food. When we eat, these taste buds send signals to the brain, which helps us understand what flavors we are experiencing.

Q9: Why is it important to take care of our sense organs?
Ans: Taking care of our sense organs helps keep them healthy and working well. This allows us to see, hear, smell, taste, and feel everything around us, which is important for enjoying life.

Q10: How can we protect our ears from damage?
Ans: We can protect our ears by avoiding loud noises, not using sharp objects to clean them, and gently wiping them after a bath. This helps keep our hearing safe and healthy.