Type of muscles causes bones to move. 6. muscle tissue composes the wall of the heart 7. muscles are found in the walls of internal organs and are involuntary muscles.

i think the answer is c

hope this

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.