Lymph nodes

Question 1

What are lymph nodes?

Answer 1

Lymph nodes are small swellings found along the lymph vessels

Question 2

Do lymph nodes contain large or small numbers of white blood cells?

Answer 2

large numbers of white blood cells

Question 3

How are lymph nodes found? What do these form?.

Name some locations

Answer 3

They are found in clusters, which form glands, in areas of the body such as the tonsils, adenoids, neck, armpits, thymus, spleen and groin.

Question 4

Lymph nodes fight infection in two ways:

explain these two ways

Answer 4

1. They filter bacteria and other harmful material from lymph as it passes through.
2. They mature and store large numbers of white blood cells called lymphocytes. Some of these lymphocytes kill micro-organisms directly; others make antibodies, which help to neutralise micro-organisms.