Circulatory system controls all of your actvity and it transfferes blood to your brain so you wont have a stroke
The double bubble sign on ultrasound is a sign for duodenal atresia which is associated with Down Syndrome.
This is FALSE, because banning candles with lead cores would be an effective way to prevent lead poisoning. Other things that can be done to prevent lead poisoning are banning stuffs like lead glazing on ceramic dishes, and the use of lead solder. It would also be effective to phase out waste incineration.
However, banning the use of led pencils in schools <span>would be ineffective to prevent lead poisoning.</span>
answer is hazy, ask again later