Lymph Characteristics Explained
This section explains the correct description of lymph based on biological facts.
Analyzing Lymph Fluid
Lymph is a crucial bodily fluid involved in the immune system and fluid balance. Understanding its properties helps differentiate it from blood and other fluids.
Option Evaluation
- Option 1: Fluid that flows only inside arteries
This is incorrect. Arteries carry oxygenated blood away from the heart. Lymph flows within the lymphatic vessels, which are separate from the arterial system. - Option 2: Fluid containing more proteins than blood plasma
This is incorrect. Lymph generally contains fewer proteins than blood plasma. The concentration varies, but it is typically lower. - Option 3: Coloured fluid rich in red blood cells
This is incorrect. Lymph is typically colourless or slightly yellowish and lacks red blood cells. Red blood cells are characteristic of blood. - Option 4: Similar to plasma but colourless and low in proteins
This is the correct description. Lymph originates from blood plasma that filters out of capillaries into the interstitial spaces. It retains many plasma components but has significantly fewer proteins and lacks red blood cells, giving it a clear or pale colour.
Conclusion
Based on the analysis, lymph is correctly described as being similar to plasma but colourless and having a lower protein concentration.
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Important Questions from Biology
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A. Biopsy
B. Bioscopy
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D. Radiography
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