3. Mechanical energy is the energy used by organisms to function and move.
3. The conservation of energy is the process in which organisms use up the energy in a cycle where nothing is wasted.
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Exchanging oxygen and carbondioxide between air and lungs because it just involves breathing system but everything else involves hormones.........
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It belongs to 100-999 SCI Code. So its Primary category. Because its all about the farm and geographical industry that focuses on land production, deformation and production in growing the status of our economy and provide the need of people.
Answer:
Metabolism!!
Not to mention pretty much the entire digestive tract and nervous system.
Explanation:
