a. Draw a neat diagram of an excretory unit of a human kidney and label the following parts.
(i) Bowman's capsule
(ii) Renal artery
(iii)Glomerulus
(ivCollecting duct
b. Give one advantage of having a large number of these highly coiled structures in our kidneys.
c. Mention any two substances which are selectively reabsorbed as the filtrate flows along the
tubular part of this unit.
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a. Differentiate between pollen grain and ovule.
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(b) it increases the rate of purification if blood and efficiency of formation of urine.
(c) Glucose, amino acids ,salts and water are selectively absorbed as the urine flows along the tubule.
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(b) it increases the rate of purification if blood and efficiency of formation of urine.
(c) Glucose, amino acids ,salts and water are selectively absorbed as the urine flows along the tubule.
HOPE IT WILL HELP YOU
Explanation:
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