I need to know how many people understand this

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Identify two ethical principles that can teens deal with difficult decisions

Which of the following accounts for someone who has had regular herpesvirus-mediated cold sore or genital sore flare-ups? a) re-infection by a closely related herpesvirus of a different strainb) re-infection by the same herpesvirus strainc) copies of the herpesvirus genome permanently maintained in host nucleid) copies of the herpesvirus genome permanently maintained in host cell cytoplasm