Functions of Lymph Class 10

6 Important Functions of Lymph are as follows

  1. Transportation
  2. Nutrition
  3. Filtration
  4. Drainage
  5. Absorption
  6. Defense

1. Transportation

  • It is involved in transportation of substances where blood vessels do not reach.
  • It carries digested and absorbed fat from the intestine and drains excess fluid from extracellular space back into the blood.
  • Transports proteins back into the blood supply.
  • Absorbs fat from the intestine and transports it to the liver.
  • It carries carbon dioxide and nitrogenous waste materials from tissues to the blood.

Also Check – What is Lymphatic System

2. Nutrition

  •  Supplies nutrition and oxygen to those parts where blood cannot reach.
  • Lymph absorbs some of the fluid from the digestive tract. It passes proteins from circulation to tissues. It also carries the digested fat.

3. Filtration

  • Filters bacteria, foreign materials, toxins and any harmful materials.

Also Check – What is Lymph

4. Drainage

  • Drains away excess fluid to prevent water clogging of the tissues and cells.
  • It drains away excess tissue fluid and metabolites and returns proteins to the blood from tissue spaces.

5. Absorption

  • Fats from the intestine are absorbed through lymphatics (lacteals located in the intestinal villi.)

6. Defense

  • Lymph nodes produce WBCs that prevent infection.
  • Produces lymphocytes which protect and defend the body against infection.
  • Produces antibodies to fight bacteria.
  • Lymphocytes and monocytes of the lymph function to defend the body.

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