Answer:
leg tapping is one. And another is fitgiting with fingers and hands.
Cell are important to the body because cell are the building blocks of life that help the human body function ex muscle, Skelton eg
The host that is "carrying" the disease.
Motor oil or house paint is what needs special handling. i just usually throw away batteries. but i think the right answer is motor oil. it can effect the earth or ground water. <span />
Some can others can't but most probablt will
