Answer:
Organs can be grouped by their function.
These groups are called systems.
Many types of tissues can combine to form an organ.
Explanation:
The organs of the human body are formed by the grouping of tissues, which in turn are formed by the grouping of cells.
For our organism to function in an integrated manner, the organs of the human body constitute a system, where each acts in a specific way to perform a particular function. It is the set of systems that forms the organism. These organs are separated according to their functions to form the systems, so we have the endocrine system, the nervous system, the cardiac system and others.