Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 5 - The Integumentary System - Review Questions - Page 170: 20a

Answer

Pimples are caused from an accumulation of sebum blocking an oil gland duct. When these ducts are blocked, whiteheads appear. If this whitehead oxidizes and dries, a darked blackhead will appear.

Work Step by Step

Pimples are caused from an accumulation of sebum blocking an oil gland duct. When these ducts are blocked, whiteheads appear. If this whitehead oxidizes and dries, a darked blackhead will appear.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.