What is the unit for measuring electrical charge

Explanation:

The SI standard unit of electrical charge is the

coulomb

, represented by the (C) symbol.

One coulomb is the amount of electric charge transported in one second by a steady current of one ampere. One coulomb is also the amount of charge stored by a capacitance of one farad charged to a potential difference of one volt.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.