Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining. The menstrual blood is partly blood and partly tissue from inside the uterus.
Stress can lead to hair loss, obesity, heart attacks, and it affects your mental state of mind.
Answer:
Option D, Biotechnology Research and Development, is the right answer.
Explanation:
As the term Biotechnology Research suggests the research made in this field is associated with human health. Therefore, biotechnology research and development is a field where scientists get involved in research to discover new treatments or new devices to improve the health of a patient. The scientists may develop some new medicines as well as methods of treatment for some of the very serious diseases such as cancer.
24 hours-3 days. or in some cases 24-6 days.