Both building systems and biological organisms are made up of different, usually smaller, sub-systems inside them.
And both can convert energy into heat (e.g., space heating vs. body heat) and work (e.g., elevators vs. movement of arms and legs).
Both building systems and biological organisms are made up of different, usually smaller, sub-systems inside them.
And both can convert energy into heat (e.g., space heating vs. body heat) and work (e.g., elevators vs. movement of arms and legs).