Know Your Senses!

Overview

Pop Quiz: Know Your Senses!

Question 1

What's the name of the little bumps you can see on the surface of your tongue?

Choices

Taste buds, papillae, cillia, or frenum

Conclusion

Those bumps are called "papillae." Your taste buds are tiny organs found inside the papillae. You can't actually see them.

Question 2

True or false: There are about 100,000 nerves in the human hand.

Conclusion

That's true! The different nerves of your hand specialize in different sensations, like pain, pressure or temperature.

Question 3

And finally, how many sweat glands are contained in a square inch of skin?

Choices

10, 120, 650, or more than 1,000

Conclusion

A square inch of skin contains about 650 sweat glands! Did you get it?