<span>There are two hormones that determine whether you fell hungry or full -- ghrelin and leptin. Ghrelin sounds like gremlin, and it's the hormone that makes your stomach churn and says, 'Hey, you gotta eat.' The second, leptin, sends message from fat that tells your brain you are full.</span>
The root system, the roots can store energy, anchor the plant to the ground and other surfaces, and they also adsorb and "drink" nutrients and vitamins from the soil. Remember to check yourself.
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Answer:
Heart and nerve cells. Neurons also lose the ability to divide as they mature.
Explanation: