8.You and your friend work out at the same time, on the same machines, for the same amount of time and eat the same food but your body is larger and more muscular that your friend. How can you explain this?

b) chemical ( the chemical breakdown of food is accomplished by enzymes. )

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the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.