What anatomical structures insulate, protect and provide sensory input?

What anatomical structures insulate, protect and provide sensory input?

Correct Answer: salivary glands
teeth
fingernails
hair

Explanation: Hair helps to insulate and protect the body. Head hair is especially important in preventing heat loss from the body. Eyelashes and eyebrows protect the eyes from water, dirt, and other irritants. Hairs in the nose trap dust particles and microorganisms in the air and prevent them from reaching the lungs. Hair also provides sensory input when objects brush against it or it sways in moving air.

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