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प्रश्न
How is urea formed in the human body?
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उत्तर
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.
संबंधित प्रश्न
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Fill in the blank.
........................ is found in the seeds of poppy plants.
Differentiate between
bowman’s capsule and glomerulus.
Write down the functional activity of the following parts,
Urethra ……………………
Define the following term:
Ultrafiltration
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtration occurs under pressure on the blood as a result of systolic pressure of the heart.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
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?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
Identify the biological term
Produced when blood is filtered in a Bowman’s capsule.
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
Removal of useful substances from glomerular filtrate.
Identify the biological term
What solute the blood contains that are not present in the glomerular filtrate?
The human kidney is histologically divided into ____________.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
The correct path of transport of urine is ______
The composition of glomerular filtrate and urine is not same. Comment.
A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate ______.
