No.......................
The body is divided into several different systems. Do you need examples of the systems?
Answer:
white triangles
Explanation:
A horizontal line of white triangles painted across a lane of traffic is called a yield line. The white triangles upside down mean the people at the traffic lane, have priority so, all the drivers must reduce the speed stop and wait for them, before going on their way.
The answer is a shift from human and animal energy to energy from other sources.
I believe the answer is e