Each kidney is enclosed in a thin, fibrous covering called the capsule. A renal artery brings blood into the kidney, along with nitrogenous waste materials. After filtration in the kidney, the purified blood leaves the kidney through a renal vein. Two distinct regions can be seen in the section of a kidney:
The hollow space from where the ureter leaves the kidney is called the pelvis. Each kidney is made up of numerous (about one million) coiled excretory tubules, known as nephrons, and collecting ducts associated with tiny blood vessels. A nephron is the structural and functional unit of a kidney, having three functions— filtration, re-absorption and secretion. A cluster of thin-walled blood capillaries remains associated with the cup-shaped end of each nephron tubule. These capillaries bring blood from the body to the nephron for filtration. The network of capillaries spreads over the nephron tubules also. These capillaries finally carry purified blood to the body.
Internal Structure of Kidney
____________ also help filter blood before sending it back to the heart. | |||
Right Option : A | |||
View Explanation |
Which of the following are correct ? (a) Each kidney is enclosed in a thin, fibrous covering called the capsule. (b) A renal artery brings blood into the kidney, along with nitrogenous waste materials. (c) The hollow space from where the ureter leaves the kidney is called the nephrons . | |||
Right Option : A | |||
View Explanation |
Which of the following are correct ? (a) After filtration in the kidney, the purified blood leaves the kidney through a renal vein. (b) The kidney consists of an outer, dark, granular cortex and an inner, lighter medulla . (c) The capillaries finally carry purified blood to the body. | |||
Right Option : D | |||
View Explanation |
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When I have not joined Abhyas Academy, my skills of solving maths problems were not clear. But, after joining it, my skills have been developed and my concepts of science and SST are very well. I also came to know about other subjects such as vedic maths and reasoning.
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Abhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
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Third consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
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