Question

A body system consists of:
all the functions of a particular organ
all the tissues which wake up a complex organ
a group of organs which perform a common function
all of the above

Answer 1

The answer, I would say, is a group of organs which perform a common function. Hoping I helped!

Answer 2

Answer:

a group of organs which perform a common function

Explanation:

The body system is made up of different organs and tissues that work together as a functional unit to fulfill the physiological functions in a living being.