Nutrition, Transportation, Respiration and Excretion
Nutrition, Transportation, Respiration and Excretion
Nutrition, Transportation, Respiration and Excretion
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MODULE - 5<br />
The Living World<br />
Life Processes-1 <strong>Nutrition</strong>, <strong>Transportation</strong>, <strong>Respiration</strong> <strong>and</strong> <strong>Excretion</strong><br />
Nowadays, a surgeon may sometimes remove a non-functioning kidney from a<br />
patient <strong>and</strong> replace it with a kidney donated by another person. Care, however, has<br />
to be taken so that a foreign kidney gets accepted by the body of the recepient.<br />
Notes<br />
Fig22.17 Artificial Kidney<br />
INTEXT QUESTIONS 22.9<br />
1. Name the organ of the excretory system, which stores urine before its removal from<br />
the body.<br />
___________________________________________________________<br />
2. Draw a rough diagram of the nephron <strong>and</strong> label only the part where filtration<br />
occurs?<br />
___________________________________________________________<br />
3. What happens to the useful substances that move into the glomerulus along<br />
with nitrogeneous waste?<br />
___________________________________________________________<br />
WHAT YOU HAVE LEARNT<br />
• <strong>Nutrition</strong> is a process by which living beings procure food or synthesize it <strong>and</strong><br />
change it into simple absorbable form by a series of biochemical processes<br />
in the body.<br />
86<br />
SCIENCE AND TECHNOLOGY
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