<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>
Answer:
Creo que pertenece al organismo
Explanation:
D it would grow until it had to compete for food
I believe it is the cell membrane
Answer: This refers to: "<span>Tay-Sachs </span>Disease<span>."
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