Basophils are granulocytes a. that fight infections by microorganisms. b. involved in allergic reactions. c. that fight infections by parasites. d. involved in the process of inflammation.

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.