How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels
by damaging or changing a cell's DNA
by increasing heart rate
by increasing phlegm and mucous productio

What challenges did dallas face as a youth and as an adult? in “the girl-with-no-name”

Describe some of the common health conditions associated with air pollution.

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.