What are the 3 subclasses of hallucinogens? ( rank them from most to least toxic )

Mario’s is heavily addicted to smoking but wants to quit. what can he use to reduce the painful effects of withdrawal

What does fi stand for in the fitt-vp principle of exercise prescription?

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp