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Question
Given below is a list of substances - select the ones that need to be eliminated from the body.
Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.
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Solution
Excess water, urea, carbon dioxide, excess common salt, uric acid.
RELATED QUESTIONS
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Why do some people need to use a dialysis machine? What does the machine do?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution Of what substance are the tubes made?
Differentiate between the following pairs of term :
Renal cortex and renal medulla
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1 to 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 does ultrafiltration take place?
Look at the figure given below. It is a section of human kidney as seen from the front.
Which area/part (give its name and number given on the diagram) which contains the following:
(i) Malpighian capsule
(ii) The pyramids
(iii) Freshly collected urine
Describe in brief how urine is produced in the human body.
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Give Technical Term:
The tube joining the kidney to the urinary bladder.
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
