Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 31, Problem 1BS.3DQ
Summary Introduction
To determine:
The reason for considerable controversy about the level of dietary vitamin D intake that should be recommended.
Introduction:
The integumentary system of body mainly comprised of skin and its components like hair, scale feathers, and so on. The skin is the outer covering of body and it has important role in protection of body from external environment. The skin also helps in the regulation of body temperature. The skin manufactures precursor molecule that is converted into “vitamin D after exposure to UV light (from sun)”. The body requires vitamin D for the absorption of calcium to promote the bone growth and development.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 31 Solutions
Biology
Ch. 31.1 - 1. List five types of epithelium, and identify an...Ch. 31.1 - Prob. 2CYPCh. 31.1 - Prob. 3CYPCh. 31.1 - Recall the three parts of a neuron, and explain...Ch. 31.2 - 1. Explain the difference between an organ and an...Ch. 31.2 - Prob. 2CYPCh. 31.2 - Prob. 3CYPCh. 31.3 - Prob. 1CYPCh. 31.3 - Prob. 2CYPCh. 31.3 - 3. Discuss why a dark-skinned individualliving an...
Ch. 31.3 - Prob. 4CYPCh. 31.4 - Define homeostasis, and discuss why isitimportant...Ch. 31.4 - Explain how the circulatory, respiratory, and...Ch. 31.4 - Prob. 3CYPCh. 31 - Prob. 1NS.1QCCh. 31 - Prob. 1NS.2QCCh. 31 - Prob. 1BS.1DQCh. 31 - Prob. 1BS.2DQCh. 31 - Prob. 1BS.3DQCh. 31 - Prob. 1ACh. 31 - Prob. 2ACh. 31 - Prob. 3ACh. 31 - Prob. 4ACh. 31 - Prob. 5ACh. 31 - Prob. 6ACh. 31 - Prob. 7ACh. 31 - Prob. 8ACh. 31 - Prob. 9ACh. 31 - Prob. 10ACh. 31 - Prob. 11ACh. 31 - Prob. 12ACh. 31 - Prob. 13ACh. 31 - Prob. 14ACh. 31 - Prob. 15ACh. 31 - Prob. 16ACh. 31 - 17. respiratory system
Key:
a. coordinate body...Ch. 31 - Prob. 18ACh. 31 - Prob. 19ACh. 31 - Prob. 20ACh. 31 - Prob. 21ACh. 31 - Prob. 22ACh. 31 - Prob. 23ACh. 31 - Prob. 1TSCh. 31 - Prob. 2TSCh. 31 - Prob. 3TSCh. 31 - Prob. 4TS
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Recommended textbooks for you
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Nutrition and Diet - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=SFE1DfAlipo;License: Standard Youtube License