It acts like its nothing there .
1inch 2cm 8ft have a nice day and good luck!
Physical structures..........
The circulatory system - hemoglobin in the blood transports oxygen :)
Answer:
Hope this helps!
Explanation:
All of the body processes, like digestion, pumping blood, breathing, are powered by cells converting the stored chemical energy into work and heat, in a process called respiration. ... Inside the muscle cells of the human (or any animal), the chemical energy is transformed (changed) into mechanical work and heat.
