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प्रश्न
Think of the following: Tears, sweat, saliva, milk, Insulin, urine.
What are these excretion or secretion ? Why ?
उत्तर
Except urine, all others listed are secretions, because secretion is giving out by a cell or gland some substances that have some utility for the body. While excretion is the passing out of substances that have no further use in the body or are harmful.
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संबंधित प्रश्न
Sweat contains water and ______.
Tick the most appropriate answer.
The Bowman’s capsule and glomerulus together form the
Find the odd one out. Give a reason for your choice.
ureter, kidney, urinary bladder, lung, urethra
Name the main nitrogenous metabolic waste excreted out by mammals including humans.
Match the terms in Column I with those in Column II and write down the matching pairs
| Column I | Column II | |
| a | Bowman's Capsule | Renal artery |
| b | Contains more CO2 and less urea | Regulates amount of water excreted |
| c | Anti-diuretic hormone | Renal Vein |
| d | Contains more urea | Glomerulus |
Complete the following sentence with appropriate words:
Urine is collected in the ______.
Write the functional activity of the following structure: Adrenal gland
Write the functional activity of the following structure: Iliac artery
Choose the Odd One Out:
Analogy:
Neurons: Nervous system.
Nephrons: ______.
