Macrophages, sometimes called phagocytes, engulf pathogens and cell debris and trigger T-cells and B-cells.
a macrophage
White Blood Corposules
A macrophage is the type of white blood cell that surrounds and kills invading cells.
finance is force that both stimulates and restraints business action?
When a stimulus stimulates a neuron above the threshold, the action potential is generated.
a kiss
Invading another country doesn't fit into categories of the kind implied by the question.
It is not just an organ that removes cell wastes it is the action of masterbating
Exhaling
The actions of the Muslims was to fight against the invading Crusaders.
Reflex action
well i did know but then i forgot :(*\0/*