What is the difference between the respiratory system air flow and blood flow of the circulatory system in relation to the pathway that each must follow?

The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.

eating disorders is a fatal illnesses that cause severe disturbances to a person's eating behaviors. obsessions with food, body weight, and shape may also signal an eating disorder. common eating disorders include anorexia nervosa, bulimia nervosa, and binge-eating disorder.

this would and i think the answer is d