Review the key concepts, formulae, and examples before starting your quiz.
🔑Concepts
Our body has five sense organs that help us perceive the world: Eyes, Ears, Nose, Tongue, and Skin.
Care of Eyes: Wash your eyes regularly with clean . Avoid reading in very dim light or very bright sunlight to prevent eye strain.
Care of Ears: Never insert sharp objects like pins or matchsticks into your ears as they can damage the eardrum. Avoid listening to sounds with very high intensity .
Care of Nose: Use a clean handkerchief to blow your nose. Do not pick your nose, and keep nostrils clear for easy breathing.
Care of Tongue: Use a tongue cleaner daily to remove the white layer of bacteria. Avoid eating very hot food which can burn the taste buds.
Care of Skin: Take a daily bath with soap and to remove dirt, sweat, and germs. Use a clean towel to dry yourself.
Nutrition for Senses: Consuming foods rich in Vitamin (like carrots and spinach) is essential for maintaining good eyesight.
📐Formulae
💡Examples
Problem 1:
Why is it recommended to wash your face and eyes with clean after coming home from a dusty playground?
Solution:
To remove dust particles and germs.
Explanation:
Dust can cause irritation and infections in the eyes. Washing with helps flush out foreign particles and keeps the surface of the eye clean.
Problem 2:
Identify the sense organ used to detect if a cup of milk is too hot to drink.
Solution:
The Skin and the Tongue.
Explanation:
The skin (on the hands or lips) senses the temperature through touch, and the tongue senses the heat if the milk is sipped. Both organs send signals to the brain to prevent burns.