Answer:
Girls have menstrual cycles because girls have changes of hormones in their body. The hormones make the lining of the uterus build up. This gets the uterus ready for an egg which when the egg is released it causes a period also known as a menstrual cycle which happens normally every month for at least 3-7 days.
Explanation:
Love free stay clean and always be livky
Answer:
1. If you mom and dad both have blue eyes then ou probably have blue eyes
2. If your dad is tall and your mom is short yu will probably be tall
3. If you r family has history of cancer you might get cancer
Explanation:
Heredity can affect your health in both posotive or negative ways depending on the genes you inherited from your parents.
Start by saying Sorry
Hope this helps not sure if i did that right lol
