Which of these is associated with bulimia nervosa

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation