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I believe that the Baby needs to be burped. If a baby isnt burped it builds up air and gas in the stomach making it uncomfortable for babies. They tend to hold their legs up in the air to pass gas.
Hoped this helped
Answer:
The endocrine system is a tightly regulated system that keeps the hormones and their effects at just the right level. One way this is achieved is through 'feedback loops'. The release of hormones is regulated by other hormones, proteins or neuronal signals. The released hormone then has its effect on other organs.
Explanation: