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Give the functions of lymph. Differentiate between Blood and the lymph

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Functions of lymph are: 

1. Nutritive: It supplies nutrition and oxygen to those parts where blood cannot reach. 

2. Drainage: It drains away excess tissue fluid and metabolites and returns proteins to the blood from tissue spaces. 

3. Absorption: It absorbs the fats from the intestine through lymphatics. 

4. Defence: Lymphocytes and monocytes of the lymph function to protect the body. The lymphatics also remove bacteria from the tissues.

Difference between Blood and Lymph

Lymph Blood
1. It contains blood plasma without blood proteins and some RBC. 1. It contains blood plasms with proteins and all three types of blood cells namely RBC, WBC and blood platelets.
2. They are light yellow in colour and does not contain RBC and haemoglobin. 2. They are red in colour due to presence of haemoglobin  of blood cells namely RBC, WBC and blood platelets.
3. It doesnot carry Oxygen. 3. It carries oxygen in the body.
4. It is the part of open circulatory system. 4. It is the part of closed circulatory system.

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