A
What is the lymphatic system?
to defend the body against disease
what blood cells fight infections?
lymphocytes
what is the fluid called inside the lymphatic vessels?
lymph
how do you acquire artificial immunity?
vaccines
Define phagocytosis
the lymphocyte ingests and breaks down the germ
Name two ways the body fights off invaders?
Phagocytosis and antibodies
what are lymphocytes?
white blood cells that fight specific diseases
Where do battles occur in the body between lymphocytes and bacteria occur?
lymph nodes
What are lymphoid organs connected to?
lymphatic vessels
why are the lymph nodes the bodies main line of defense?
there are the most number of white blood cells there
What is the role of a vaccine?
to develop antibodies that fight specific diseases
define immunity.
where do white blood cells have to enter to attack invaders?
extracellular fluid
Give an example of a lymphatic organ/ vessel
spleen, lymph node, thymus
what are the 2 ways the body makes antibodies?
artificially through a vaccine, or naturally by getting a virus or disease