Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 41, Problem 22CTQ
Why might specialized organs have evolved for excretion of wastes?
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Which organ serves as the storage organ for the excretory system?
a
stomach
b
bladder
c
ureter
d
kidney
why would you expect an animal that lives in fresh water to have a well developed excretory system
Explain excretory system in humans?
Chapter 41 Solutions
Biology 2e
Ch. 41 - Figure 41.5 Which of the following statements...Ch. 41 - Figure 41.6 Which of the following statements...Ch. 41 - Figure 41.8 Loop diuretics are drugs sometimes...Ch. 41 - When a dehydrated human patient needs to be given...Ch. 41 - The sodium ion is at the highest concentration in:...Ch. 41 - Cells in a hypertonic solution tend to: shrink due...Ch. 41 - The macula densa is/are: present in the renal...Ch. 41 - The osmolarity of body fluids is maintained at...Ch. 41 - The gland located at the top of the kidney is the...Ch. 41 - Active transport of K+ in Malpighian tubules...
Ch. 41 - Contractile vacuoles in microorganisms:...Ch. 41 - Flame cells are primitive excretory organs found...Ch. 41 - BUN is. blood urea nitrogen blood uric acid...Ch. 41 - Human beings accumulate ____before____ excreting...Ch. 41 - Renin is made by. granular cells of the...Ch. 41 - Patients with Addison's disease retain water...Ch. 41 - Which hormone elicits the 'fight or flight”...Ch. 41 - Why is excretion important in order to achieve...Ch. 41 - Why do electrolyte ions move across membranes by...Ch. 41 - Why are the loop of Henle and vasa recta important...Ch. 41 - Describe the structure of the kidney.Ch. 41 - Why might specialized organs have evolved for...Ch. 41 - Explain two different excretory systems other than...Ch. 41 - In terms of evolution, why might the urea cycle...Ch. 41 - Compare and contrast the formation of urea and...Ch. 41 - Describe how hormones regulate blood pressure,...Ch. 41 - How does the renin-angiotensin-aldosterone...
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- In which part of the nephron parts is no water reabsorbed? a) The downward part of Henles is slung b) The upward part of Henles is slung c) Distal tubules d) Distal tubulesarrow_forwardHow does the excretory system and circulatory system work together?arrow_forwardDescribe structure of the nephron. How is the mammalian nephron capable of creating concentrated urine? How does filtration take place?arrow_forward
- Still considering the diagram, angiotensin II (Angll) may increase GFR by acting on which arteriole? Select a letter [ Select] Question 5 When MAP falls, the sympathetic nervous system is activated. Noradrenaline affects which arteriole during a sympathetic response? Select a letter [Select ]arrow_forwardWhat is the most important function of the kidney? A. Excretion B. Homeostasis C. Temperature regulation D. Renin secretionarrow_forwardDraw a well labelled diagram of excretory system.arrow_forward
- What are the three types of nitrogenous wastes? Which animals aremost likely to excrete each one, and why?arrow_forwardHow does the kidney maintain the proper balance of water in the body? D A. the reabsorption of water in some parts of the nephron is regulated by aldosterone and antidiuretic hormone D B. the body adjusts water excretion by varying the glomerular filtration rate OC. the body changes the amount of water reabsorbed in response to changing pH levels in the blood O D. when we are dehydrated, the kidneys produce a large volume of dilute urine O E. the kidney does not play a role in body water balancearrow_forwardThe desert kangaroo rat does not produce dilute, liquid urine, but instead produces thick, highlyconcentrated urine. Explain how having loops of Henle that are proportionally longer than otherterrestrial animals allows for this. How is production of thick, concentrated urine advantageous toa desert animal?arrow_forward
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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License