The lymph is mainly formed from the plasma of blood and it surrounds t

The lymph is mainly formed from the plasma of blood and it surrounds the cells. The main difference between blood and lymph is :

Lymph does not contain red blood cells.

Lymph does not contain white blood cells.

Lymph contains both red blood cells and white blood cells.

Lymph does not contain any cells.

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Answer is Wrong!

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UPSC CAPF – 2023

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Lymph is essentially interstitial fluid that has entered the lymphatic vessels. Interstitial fluid is formed from blood plasma that filters out of capillaries. While plasma contains red blood cells, white blood cells, platelets, proteins, water, and dissolved substances, red blood cells are generally too large to pass through capillary walls into the interstitial space. Therefore, lymph, derived from interstitial fluid, does not contain red blood cells.

Blood contains red blood cells, white blood cells, platelets, and plasma. Lymph consists of plasma components and white blood cells (mainly lymphocytes), but significantly lacks red blood cells and platelets.

Lymph does contain white blood cells, particularly lymphocytes, which are crucial for the immune system and are found in large numbers in lymph nodes. The absence of red blood cells is a key distinguishing feature compared to blood.

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