Organs and other parts that join together to form a specific body function are referred to as a(n):

What type of fraction is 4/3?

A) Simple B) Improper C) Proper D) Complex

500mg of active ingredient is mixed with 30 gm of ointment base. What is the final concentration (w/w)?

A) 0.16% B) 1.6% C) 16.6% D) 66%