Did you know?

the skin is the largest organ of the body
there are 650 sweat glands in one-half cm² of skin
500 million dead skin cells fall off daily due to ordinary wear and tear
there are over 5 million hair follicles on the body, but none on the lips, palms, or soles of the feet
the average head has 100,000 hairs, with each one living 2-4 years
50-100 scalp hairs fall out daily
fingerprints form 6-8 weeks before birth
fingernails grow four times faster than toenails
humans are the only primates that do not have pigment in the palms of their hands

Course Material

Reading Guide and Learning Objectives

Recommended Chapter 5 Review Questions (p. 170)
- Multiple choice/Matching: Questions #1-11
- Short answer essay: Questions #13, 15, 22
MasteringA&P has a variety of Chapter Quizzes that you can also try. I don’t have the ability to customize these, so you will find questions related to material that you’re not responsible for. Feel free to guess or skip those questions. Again, I don’t count those towards your grade.

Did you know?

the skin is the largest organ of the body
there are 650 sweat glands in one-half cm² of skin
500 million dead skin cells fall off daily due to ordinary wear and tear
there are over 5 million hair follicles on the body, but none on the lips, palms, or soles of the feet
the average head has 100,000 hairs, with each one living 2-4 years
50-100 scalp hairs fall out daily
fingerprints form 6-8 weeks before birth
fingernails grow four times faster than toenails
humans are the only primates that do not have pigment in the palms of their hands