How do molecules from food and air get to the cells in
the body?

Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

What is a common risk associated with alcohol?

Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility