Lymphatic System

Question 1

What’s the largest organ in the lymphatic system?

Answer 1

Spleen

Question 2

What 3 major parts is the lymphatic system made up of?

Answer 2

• The vessels
• the nodes
• the organs

Question 3

4 main functions of the lymphatic system

Answer 3

Drains excess fluid = returns fluid back to circulatory system
Aid the immune system = lymph collecting foreign particles & getting filtered out by lymph nodes.
Absorbing nutrients = collects products of fat digestion from small intestines.
Transport = transports water, cells, immune responses and waste materials.

Question 4

What’s lymph?

Answer 4

The fluid inside the lymph vessels & it contains white blood cells, which bathes the tissues and drains through the lymphatic system into the bloodstream

Question 5

Role of the lymph vessels

Answer 5

Transports lymph around the body

Question 6

Role of the lymph nodes

Answer 6

Filters out pathogens and foreign bodies from the lymph.

Question 7

Role of the lymph ducts

Answer 7

Puts the fluid back into the circulatory system.

Question 8

What colour is lymph fluid?

Answer 8

Colourless

Question 9

Summary - how is lymph fluid formed?

Answer 9

Formed when the fluid that’s in gaps of all cells drains into lymph capillaries.

Question 10

How can lymph fluid cause a problem when someone suffers from cancer?

Answer 10

Metastic cancer cells can spread via lymph.

Question 11

Lymphatic & circulatory system summary

Answer 11

• Blood capillaries leak fluid
• leaked fluid makes up interstitial fluid
• fluid taken up by lymph vessels (lymph fluid)
• lymph filtered by lymph nodes to remove pathogens
• lymph ducts put fluid back into circulatory system

Question 12

How does blood flow from arteries into the capillaries?

Answer 12

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