Answer:
They have a never ending relationship.(It ends on the death of the living being).
Step-by-step explanation:
How they are inter-related:
The smallest structural and operational unit in the human body are cells.
A TISSUE forms when a number of specialized cells work together to complete a specific task.
The ORGANS are made up of tissues that work together to provide a specific purpose in the body.
Now, an ORGAN SYSTEM is created when a collection of organs in the human body carry out the life process.