The organs that are deemed as the ultimate acid-base regulatory organs are the kidneys. They have very important functions in the balance of the acid and base. First, they are responsible in reabsorbing the bicarbonate from urine. Second, they are responsible in excreting the hydrogen ions to the urine.
Answer:
Lipids (fats) and carbohydrates
Explanation:
Carbohydrates can be directly broken into glucose for use in cellular respiration. Lipids are used to store energy for extended periods of time. Proteins can be used for energy, but are not as efficient or quick as the previously mentioned macromolecules.
<span><span>Lipids are the class of organic compounds that stores energy as fat</span>.
The answer is Lipids.
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