Chapter 1
The body's secret plumbing
Chapter 2
The immune training camp
Chapter 3
From ancient humors to modern microscopes
Chapter 4
Guardians of balance and health
YOUR GOAL
Master of The human lymphatic system
Ch 2 · The immune training camp
artiteacher The immune training camp
Inside the lymph nodes, we're training the cells to recognize the enemy!
artiteacher Tonsils form a defensive ring to catch pathogens entering through the mouth.
artiteacher The thymus gland is where specialized T-cells learn to identify enemies.
BETA
artiteacher Defend the body's tiny tubes to learn how the lymphatic system drains and filters waste.
Fun Fact
Thymus shrinking: The thymus gland reaches its maximum weight of about 40 grams during puberty, after which it slowly shrinks and is replaced by fat.
Glossary
thymus (noun)
A lymphoid organ situated in the chest that is essential for the development of T cells. In 1961, researcher Jacques Miller discovered that this organ is vital for developing adaptive immunity.
A lymphoid organ situated in the chest that is essential for the development of T cells. In 1961, researcher Jacques Miller discovered that this organ is vital for developing adaptive immunity.
Quiz
Which lymphatic organ is responsible for filtering blood and recycling old red blood cells?