5. water plays an important part in everyone's lives. water to
a. regulate body temperature
b. carry oxygen and nutrients to cells
c. remove toxins and waste products from the body
d. all of the above

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