It started in 1798, to the 1800. This period is when the human population began to grow at a faster rate then any other time in history.
Answer:
1. All living things have cells.
2. The cell is a basic unit of life.
3. New cells arise from existing cells.
Explanation:
The answer would be control because brain controls the body. everything you touch, taste, feel, hear, everything is controlled by the brain it is the thing that controls every other system in the human body.
Sweating (to try to remain cool) and increased heart rate (to help deliver oxygen to muscles faster)