How does a virus differ from bacteria

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

What are the five food groups recommended by the usdas my plate food guidance system

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false? answer- false