General knowledge

Question:
What is the diameter of Sun?
Ans: 1,392,684 km (865,374 mi)

Do you know?
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As you breathe, most of the air is going in and out of one nostril. Every few hours, the workload shifts to the other nostril.

Do you know?
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If they were laid end to end, all of the blood vessels in the human body would encircle the Earth four times.

Body fact
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It’s possible to brush your teeth too aggressively. Doing so can wear down enamel and make teeth sensitive to hot and cold foods.