Answer:
A.
Explanation:
The vaccine is dead/weakened pathogens injected to cause antibodies. These antibodies will recognize the pathogens if they see them and fight them off.
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Answer:
Explanation:
Epithelial tissue helps protect skin from bacteria and other particles. nervous tissue sends signals between brain and body. muscle tissue allows shivering to produce heat to maintain body temperature.
Nervous tissues are distinct type of tissues within the nervous system responsible for the communication and control between the brain and the rest of the body.