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प्रश्न
What do kidneys excrete?
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उत्तर
Kidneys remove the poisonous substance (urea), other waste salts and excess water from the blood, and excrete them in the form of urine.
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संबंधित प्रश्न
Draw the well-labelled diagram of the human excretory system
Name an animal which absorbs oxygen through its moist skin.
What is the function of excretory system in humans?
The procedure of cleaning the blood of a person by using a kidney machine is known as:
(a) ketolysis
(b) hydrolysis
(c) dialysis
(d) photolysis
The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person's life, the blood from an artery in the person's arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person's blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for circulation.
(a) What are organs A?
(b) Name the waste substance B.
(c) What are (i) E, and (ii) F?
(d) Name G, H and I.
(e) What is the process described above known as?
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Excess sugar in the blood is a symptom of diabetes.
Name the following:
The vein in which urea concentration is maximum
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Renal artery, urethra, ureter, kidney, urinary bladder.
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
Skin, liver, lungs, kidneys, excretion.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Where is most water reabsorbed ?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
State the Location: Medulla of Kidney
Write the functional activity of the following structure: Vasopressin
Choose the Odd One Out:
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
Deproteinised plasma is not found in ______.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
The habitat of animals that excrete nitrogenous waste in the form of urea.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Name the following:
The main nitrogenous waste formed in the body.
