Amebiasis otherwise known amebic dysentery. As the rest of your question was not posted, I had to guess! I hope this helps though :)
Peer pressure is a huge factor in teens abusing drugs. Their friends do them and get pushed into it too.
Another factor is teens having a hard time in school or with family, friends and relationships which might push them to try and get relief by turning to drugs.
Getting prescription drugs for an injury and getting addicted by accident can also lead to them abusing drugs in the long run. <span />
Answer: To remove waste from the body
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
It is not a or b, because it helps kids of all skill levels. Because of this, your answer should be C, because Piaget believed that teaching should be done through actually teaching students different concepts, instead of making them just know the answers. That is what cooperative learning helps do.
B. arthroclasia
Not really sure why this needs 20 characters but ok
