Lymphatic system

Question 1

What are the functions of the lymphatic system?

Answer 1

• Protect body from illness
• Maintain fluid levels in the body
• remove cellular waste and digestive tract fat
• acts as one way drainage system

Question 2

What are the main components of the lymph system?

Answer 2

• Vessels
• Lymph nodes
• Lymph ( a colourless fluid carried in the tubes of system),

Question 3

Where are the locations of major lymph nodes?

Answer 3

• Neck
• Armpits
• Groin

Question 4

What are the lymph organs?

Answer 4

• Spleen, located upper left side of the body, fist-sized, filters out damaged cells also get rid of pathogens as it contains white blood cells
• Thymus, located between the lungs produces white blood cells and T cells, T cells mature in the thymus
• Tonsils, located rear of pharynx, fight infection as they are the first defense in the immune system, stop bacteria from entering the body and swell up as a response to infection,

Question 5

What are Lymphocytes?

Answer 5

• This is a types of white blood cells in the immune system
• T cells, help protect body from infection
• B cells, produce antibodies, also recognise antigens of bacteria and viruses
• Phagocytes, can ingest and sometimes digest pathogens, it does this by extending its cytoplasm

Question 6

What is Lymph?

Answer 6

• Lymph is a colourless fluid that travels around the lymph vessels

Question 7

What does the lymphatic system do?

Answer 7

• Lymph contains lymphocytes (White blood cells) this helps to fight infection
• It acts as a one-way drainage system transporting fluid from body tissues into the blood circulation
• It gets rid of waste products produced by cells

Question 8

How does it get drained?

Answer 8

The lymph fluid is drained out by the lymphatic system where it travels to lymph nodes, to stop backflow the lymph vessels have one-way valves and muscular walls that contract to move the lymph forward

Question 9

How does it link to the immune system?

Answer 9

• Lymph nodes filter lymph, destroying or trapping anything harmful, lymph nodes contain lymphocytes (white blood cells) which kill and breakdown harmful cells, this stops harmful pathogens from entering our bloodstream