Functions of the lymphatic system

Question 1

List the functions of the lymphatic system (3)

Answer 1

1. To collect tissue fluid and return it to the blood.
2. To defend the body against infection. It does this by:
   - Filtering micro-organisms in lymph nodes.
   - Maturing and storing lymphocytes.
   - Destroying micro-organisms by engulfing and digesting them or by antibody production.
3. To absorb and transport fats in the digestive system.

Question 2

A function of the lymphatic system is to defend the body against infection. How does it do this? (3)

Answer 2

• Filtering micro-organisms in lymph nodes.
• Maturing and storing lymphocytes.
• Destroying micro-organisms by engulfing and digesting them or by antibody production.

Question 3

Where is lymph found?

Answer 3

Lymph is found in lacteals.

Question 4

Why does lymph have a milky appearance?

Answer 4

It has a milky appearance because of its high fat concentration