NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In the digestion lab, the size of the chunks of food was the ____ variable
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dependent
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independent
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constant
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None of the above
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Explanation:
Detailed explanation-1: -Mechanical digestion is the physical breakdown of chunks of food into smaller pieces. This type of digestion takes place mainly in the mouth and stomach.
Detailed explanation-2: -(a) An extensive surface area is important because it allows for a greater volume of food intake and more efficient absorption of nutrients into the bloodstream. Enlarging the surface area can help with digestion by increasing the size of enzymes and proteins needed to break down food molecules into smaller pieces.
Detailed explanation-3: -Food digestion is a chemical change. In this process, large macromolecules are broken down into smaller molecules.
There is 1 question to complete.