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Question
How is urea formed in the human body?
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Solution
More toxic ammonia produced as a result of breakdown of amino acids is converted into less toxic urea in the liver by a cyclic process called Ornithine cycle.
RELATED QUESTIONS
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Glucose is taken back from glomerular filtrate ___________
(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion
Explain the process of formation of urine with suitable diagram
Which of the following is the correct path taken by urine in our body?
Define the following:
Nephron
Answer the following in detail.
Explain the structure of a nephron with the help of a diagram.
Name the following:
Organ where ultrafiltration occurs.
Multiple Choice Question: Ultrafiltration occurs in:
Answer the following question.
Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?
Mention any two vital functions of human kidney
The end product of Ornithine cycle is ______.
Identify the biological term
A ball of inter twined capillaries.
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
What is the nitrogenous waste produced by amphibian larvae and by the adult animal?
The human kidney is histologically divided into ____________.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
