List the three main functions of the respiratory system

Marijuana is an example of a(n) drug

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?

Choose the correct drug to complete the sentence. is a powerful stimulant. is a highly addictive opiate. is prescribed for medical purposes in many states.which locations are covered in the drug-free school policy? check all that apply. school bus home school lunchroom sporting event at another school shopping center