Answer:
Answers are Barriers, natural killers , inflammation.
Explanation:
The statement above highlights the activities of the complements, which are part of the immune system. The contain series of proteins interacting with one another to eliminate pathogens.
Complements functions are , lysis of the pathogens, activation of inflammation, enhancing phagocytosis of antigens, and clearance of the immune system.
Hello, to answer your question properly it is
C. <span>The waves emitted by the two sources have constant phase difference
Signed by, Virtuoso Sargedog
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<span>respiratory circulatory digestive</span>
A neuron looks like this-
Hope I helped!