Mitochondria contains special enzymes that muscle cells need to utilize oxygen.
Carbohydrates changed into sugar
proteins broken down to amino acids
fats converted to fatty acids
nutrients carried to cells
Answer:
I think the correct answer would be distinguishing right from wrong and performing the right action. Ethical would always be related to moral principles, knowing what is the best and right thing to do and what are bad.
Explanation:
hope this helps