The immune system is a combination of body defenses that fight pathogens in your body.
The immune system is ____
Group of answer choices
a combination of body defenses that fight pathogens in your body.
a combination of organs, muscles, and tissues that enable you to sense things.
a combination of nerves and tissues that send messages through your body.
a combination of organs and tissues that move blood through your body.
1 answer
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