Please help! :) Ill give lots of points!

Adisease in which scar tissue replaces healthy liver tissue

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age

Which term matches this definition? treating all human blood and other potentially infectious material, as if known to be infectious, for bloodborne pathogens. a. exposure control plan b. engineering controls c. universal precautions d. personal protective equipment