Not sure check on yahoo answers
The skeletal works with the muscular system to help the body move, hope that helps
So, basically the question is asking what is the dose of a medication that is 2.5mg/kg.
Assuming that the child does NOT weigh 7171lbs but 71lbs; which would equal around 32kg (71 x 0.45).
So this child would have 2.5mg per 32kg. 32kg x 2.5= 80mg of medication.
Answer: Public health measures such as pure food and water, and development of immunizations against many serious diseases such as polio and smallpox, coupled with enhanced economic conditions, are together credited with substantial reductions in the burden of infectious diseases.