I feel like in general we determine our own ethics. However, our ethics are decided for us when we are a child. Our parents are our guide in beliefs and morals. As we age, we either stay with those ethics or decide on our own decisions. I do not know if that is what it is looking for, but that is my opinion.
This could be many things. It's common for young girls you have irregular periods but could also be a health problem. There is also a possibility of pregnancy if she is sexually active.
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A pregnant woman would need to avoid food that has foodborne illnesses like salmonella
Answer:
central core regulates breathing and other basic process also body balance
