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. Describe the changes in the amount of vitamin D in the blood over the 72 your period.

. Describe the changes in the amount of vitamin D in the blood over the 72 your period.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A. Describe the changes in the amount of vitamin D in the blood over the 72 your period. 

 

B. Name the part of the alimentary canal in which vitamin D is absorbed into the blood

 

C. Liat three other subtances that are absorbed in this part of the alimentary canal

 

D. Describe how this part of the alimentary canal is adapted to make absorption affiecient. 

 

E. Explain why vitamin D does not need to be digested before it is absorbed. 

 

F. The bolunteer was asked not to wxpise her skin to sunlight during the investigation. Suggest why this was done. 

O Exercise 7.5 Vitamin D absorption This exercise asks you to describe data provided in a graph, in words. It's a good idea to focus on parts of the graph where the line changes gradient or direction, and to quote some coordinates from the granh remembering to give the units of the figures that you refer to. quantity In an investigation into the absorption of vitamin D from the alimentary canal, a volunteer ate a measured the amount of vitamin D in each blood sample was measured. The results are shown in the graph. 140 120 001 Vitamin D concentration 08 arbitrary units 09 40 20 - 12 24 36 09 72 Time/hours
Transcribed Image Text:O Exercise 7.5 Vitamin D absorption This exercise asks you to describe data provided in a graph, in words. It's a good idea to focus on parts of the graph where the line changes gradient or direction, and to quote some coordinates from the granh remembering to give the units of the figures that you refer to. quantity In an investigation into the absorption of vitamin D from the alimentary canal, a volunteer ate a measured the amount of vitamin D in each blood sample was measured. The results are shown in the graph. 140 120 001 Vitamin D concentration 08 arbitrary units 09 40 20 - 12 24 36 09 72 Time/hours
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