100

Cisterna

A large, collection sac in the abdomen where lymph gathers before going up to the chest.

100

Lymphatic vessels

 Tubes that carry lymph fluid throughout the body back to the blood

100

Tonsils

 Lumps of immune tissue in the throat that trap germs from food and air

200

Immmunity

The body's ability to fight off disease and infection.

200

Right lymphatic duct

A major vessel that drains lymph from the upper right side of the body.

300

Lacteals

Tiny vessels in the small intestine that absorb dietary fats.

300

spleen

A large organ that filters blood, removes old red blood cells, and stores immune cells.

400

Lymph

The clear fluid that circulates in the lymphatic vessels, containing white blood cells.

400

thoracic duct

The main and largest vessel that drains most of the body's lymph fluid.

500

Lymph nodes

Small, bean-shaped filters that clean the lymph and house immune cells.

500

Thymus

An organ where immune cells (T-cells) mature, primarily active in childhood.

M
e
n
u