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प्रश्न
The kidneys in human beings are a part of the system for ______.
विकल्प
nutrition
respiration
excretion
transportation
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उत्तर
The kidneys in human beings are a part of the system for excretion.
Explanation:
The excretory system of human beings includes a pair of kidneys, a pair of ureters, a urinary bladder, and a urethra.
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संबंधित प्रश्न
What are the methods used by plants to get rid of excretory products?
What gaseous waste products are excreted by plants?
Where is the dirty blood in our body filtered?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution Of what substance are the tubes made?
Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer.
Where is urine carried through ureters?
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Differentiate between
excretion and transpiration
Answer the following in detail.
Describe the process of urine formation.
Name the following:
The vein in which urea concentration is maximum
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?
Choose the correct answer:
The smallest functional unit of the kidney is ____________
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Give Technical Term:
The organ which filters out urea and uric acid from the bloodstream.
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
Hypotonic filtrate is formed in _______.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
The CORRECT match is ______.
Among the following animals, the best conserver of water is ______.
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