Super Senses

Eyes (sight): We see using eyes. Eyes have a lens that focuses light. Never look directly at the sun. Ears (hearing): Detect sound vibrations. The pinna collects sound. Nose (smell): Detects chemicals in air. Dogs have smell 10,000 times better than humans. Tongue (taste): Sweet (tip), Salty/Sour (sides), Bitter (back). Skin (touch): Detects pressure, temperature, pain.

Dogs can smell 10,000× better than humans — used by police. Bats use echolocation (ultrasound) to navigate in darkness. Eagles can see prey from 3 km away. Snakes sense heat (infrared) to find prey at night. Ants communicate through chemicals (pheromones). Dolphins use echolocation in water like bats in air.

Eyes: Don't rub, wear glasses if needed, avoid bright light, eat carrots (Vitamin A). Ears: Don't put objects inside, avoid loud noise, clean gently. Nose: Cover in dusty places, don't pick nose. Tongue: Don't eat very hot food. Skin: Apply sunscreen, protect from cuts, keep clean.