What is the main organ of the circulatory system

Write a personal plan that can be used to reduce or prevent injury. identify the hazards you would like to prevent from occurring. include strategies in your plan that can be used to address peer pressure and other influences (both internal and external). use valid research sources to create your personal plan.

Thinking about and listing ones options in the process of decision-making include all of the following except a. identifying possible alternative outcomes b. predicting what friends will think c. determining what is most important d. thinking about what choices could be made

In this model, what do p, s, and a bases represent?