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Your eyes need to stay wet and clean so they can keep seeing clearly all day long.
Blinking is the quick closing and opening of your eyelids, spreading a thin layer of tears across your eyes to wash away dust and keep them from drying out.
Sneezing blasts air out through your nose to clear irritants, unrelated to eyelids. Yawning is a big slow breath your body sometimes takes, also unrelated to cleaning eyes.
People blink thousands of times a day without noticing, and we blink less while intensely focused, like reading or staring at a screen.
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Why do we breathe?What do we call your body's team of germ-fighters?What do we call the stretchy body parts that help you move?What body part carries the food you swallow down toward your stomach?What do we call the hard parts inside your body that give it shape?Which sense are you using?What is the largest organ of your whole body?What do we call this super fast, noisy blast of air?What do pain messages travel through to reach your brain?What is the name for the tiny instructions inside our cells that tell our bodies how to grow and work?What body part do you use to hear sounds?Which bone protects your brain?Quration — Quration Kids