Increased physical activity can improve your metabolism, which can in turna improve your self esteemb decrease your self esteemc offend people who don't exercised distract from your responsibilities

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