When an item irritates the eyes, tears form in order to release lysozyme enzymes.
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Q52: A disease-causing agent is called a(n)_.
Q57: A vaccine contains
A)antibodies.
B)active B cells.
C)antigens.
D)active killer T
Q59: The _ immune system is a specific
Q60: Macrophages and neutrophils make up a _
Q61: A vaccine stimulates the formation of _
Q62: Salt in the sweat is a component
Q63: In clinical studies, the control group receives
Q65: In the illustration below of the lymphatic
Q66: A fever is the product of an
Q66: The graph below depicts the immune response
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