The kidneys are paired and bean-shaped structures that are present below the hips and on either side of the spine. A nephron is the functional unit of a kidney. Millions of nephrons exist in each kidney. The main functions of the kidney and nephron are to filter blood and to form urine.
Answer to Problem 1FN
Descending loop of Henle is the part of nephron that is involved in reabsorption of an additional 15% of water by osmosis and it is impermeable to solutes.
Explanation of Solution
The filtrate from the proximal convoluted tubule travels to the descending limb of the loop of Henle. This region is low permeable to urea and ions. The main function of the loop of Henle is to promote concentration gradient in the medulla of the kidney.
Want to see more full solutions like this?
Chapter 37 Solutions
Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion
- 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