Organ:
* Definition: A structure made of different tissues that work together to perform a specific function.
* Example: The heart (muscle tissue, nervous tissue, connective tissue) pumps blood.
* Key Features:
* Composed of multiple tissue types
* Performs a single, well-defined task
* Has a distinct shape and location
System:
* Definition: A group of organs that work together to carry out a major bodily function.
* Example: The circulatory system (heart, blood vessels, blood) transports blood and nutrients throughout the body.
* Key Features:
* Composed of multiple organs
* Performs a complex function that involves multiple steps
* Organ systems often rely on each other for optimal performance
In Summary:
Think of it like a car:
* Organ: The engine (muscle tissue, etc.) is one organ with a specific function (generating power).
* System: The engine, transmission, wheels, and steering wheel together form the drive train system, a complex system that allows the car to move.
Key Takeaway: An organ is a part of a system, and multiple organs work together within a system.
