Answer:
Endocrine system: Hormones are released to increase awareness, The rate of nutrient absorption increases.
Urinary system: Blood needs to be cleaned, Waste needs to leave the body.
Nervous system: An organ detects high levels of insulin in the body, A student reads words on a page.
Explanation:
The answer is true. They fight things like the flu, but they don't fight bacteria like antibiotics.
Option D is the answer because they will get scared to play bigger than them
If this is all 1 answer then it should be “a tornado”