(a) What is lymph? State two major functions of lymph. (b) What is meant by saying that the blood pressure of a person is 120/80?

• Lymph is a clear, yellowish, slightly alkaline fluid, which contains white blood cells and the fluid resembles to plasma.

Functions of lymph:

• It helps in the defensive mechanism of the body by killing the foreign body with the help of lymphocytes and making antibodies.
• It transports nutrients from the tissue cells to the blood, through lymphatic

• A reading of 120/80 means that the person has a normal blood