I learn

 Why Do We Blink? 

Every time you blink, your eyelids spread a cocktail of oils and mucous secretions across the surface of the eye to keep your globes from drying out. 

Blinking also keeps eyes safe from potentially damaging stimuli, such as bright lights and foreign bodies like dust.

What is the last sense that a person loses?

 When a person dies, hearing is generally the last sense to go. The first sense lost is usually sight. 

Then follows taste, smell, and touch.

What was the first mobile phone?

Motorola was the first company to produce a handheld mobile phone. 

On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.

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