Answer:
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the world. The earliest roots of science can be traced to Ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.
Explanation:
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Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.
The female body responds to a drop in the luteinizing hormone B. By preparing for the next cycle.
- The luteinizing hormone remains at lower levels most of the time during the menstrual cycle.
- It reaches the highest levels around the 14th day of the menstrual cycle. It helps in the formation of follicles with the help of estrogen.
- An increase in LH triggers the increase of progesterone level and helps in preparing of corpus luteum.
- After the formation of the corpus luteum and the release of follicles, the level of LH drops.
- When the level of LH further decreases, this triggers the shedding of the uterine lining as no pregnancy takes place.
Thus, the low levels of LH are an indication of
Learn more about the menstrual cycle here:
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