Is there any study tips you guys have? I have to study for a Psychology SDC and idk how or where to start.

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 ingredients used in tobacco products been banned?

Design a questionnaire to indicate the level of a person’s wellness. have a friend or family member complete the questionnaire. make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.