Answer:Vaccines are responsible for the control of many infectious diseases that were once common in this country, including polio, measles, diphtheria, pertussis (whooping cough), rubella (German measles), mumps, tetanus, and Haemophilus influenzae type b (Hib).
Explanation:
The OSHA website is an example.
It would be a negative feedback loop.
and D would be the answer.
Glucagon stimulates glucose to be released into the blood stream, which would happen if blood glucose was low, and insulin stimulates blood glucose to be taken into cells, which happens when blood glucose is too high. The only one that correctly pairs low blood conc./glucagon and high blood conc./insulin is D.
Answer:
Allows you to process thoughts, planning and such. As well as analyze them.