When muscles contract, chemical energy is converted to mechanical energy ...

Topics: Metabolism Quiz

When muscles contract, chemical energy is converted to mechanical energy with the loss of heat. This conversion of energy is an example of the ____ Law of Thermodynamics.

A. First

B. Second

C. Third

D. Fourth

Select your answer:

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They give us energy. They are in butter, oil and cheese.

A. protein

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What does ‘Special needs’ mean?

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