Question

How is lymph formed, from blood until it is brought back into the cardiovascular circulatory system?

Answer 1

Hint: Our body shows the presence of a colourless fluid that is composed of white blood cells, specifically the lymphocytes which wash off many infectious agents like bacteria and are known as lymph. It flows out and throughout the body with the help of channels termed as lymph vessels which take the lymph to the tissues and drain it back into the lymph nodes.

Complete answer:
As the blood crosses through the capillaries in the tissues, some of the water along with many small water-soluble substances get transfers out into the interstitial space leaving behind the large proteins and other elements in the blood vessels. This released out fluid that occurs in interstitial space is termed as the interstitial fluid or lymph. A broad network of vessels usually termed as lymphatic system collects and drains it back to the major veins. In this way it is formed

The main functions of lymph include:
1)It keeps constant the balance of fluid between blood and tissues. This is also termed as fluid homeostasis.
2)Lymph is defined as part of the immune system of the body which is needed to defend against the bacteria and other microorganisms. Lymphs possess a very rich content of lymphocytes which play a role against infections readily.
3)It is also needed to facilitate the absorption of fats and fat-soluble nutrients in the digestive system. During the digestion of fat, fatty acids are digested and transferred into chylomicrons (chylomicrons are a type of lipoprotein). Lymph vessels that cover the intestine absorb these chylomicrons and take these chylomicrons into the liver with the help of bloodstream for further breakdown.

Note: The lymphatic system is termed as the site of many key immune system functions. It is very essential to know that immune system functions can take place almost anywhere in the body, but the lymphatic system is defined as the system in which many immune system functions can take place simultaneously.