Answer:
All organisms use a source of energy for their metabolic activities. Some organisms capture energy from the sun and convert it into chemical energy in food (photosynthesis); others use chemical energy in molecules they take in as food (cellular respiration)Explanation:
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Wear safety protection, Make sure you have a fire extinguisher, Follow the instructions, Listen to the instructor/teacher
A human heart does not live on its own
without the human brain, the heart is dead
any organ in our human body is not a living thing
