Lymphatic System

Question 1

What is interstitial fluid?

Answer 1

a filtering fluid

transports oxygen and nutrients to cells as they see part of the smallest capillaries

Removes waste products

Old fluid filters through the vessels and nodes till it returns to the blood

Question 2

Memorise the diagram of a lymphatic vessel

Answer 2

It is on slide 17 of blood and lymphatics

Question 3

Explain about lymphatic vessels

Answer 3

They are thin walled vessels
Run along side blood vessels
Fluid moves due to muscle and joint movement

lymph vessels have numerous cup shaped powers to ensure that live flows in a one-way system towards the thorax

Lymph vessels become larger as they are joined together

Question 4

Memorise the lymph node diagram

Answer 4

This diagram is on page 18 of the blood and lymphatics

Question 5

What are lymph nodes?

Answer 5

they are oval shaped organs that line along the length of lymph vessels



Question 6

Describe a lymph node in depth

Answer 6

lymph nodes have an outer capsule of fibrous tissue

The main substance made of is reticular and lymphatic tissue

Lymphatic tissue consists of lymphocytes and macrophages

Their function is to help with the defence of the body, and macrophages and antibodies help destroy bacteria and ingested microbes

Their second function is to help with the maturation and proliferation of lymphocytes