Answer:
Q1- . The testes produce TESTOSTERONE due to the movement of LH in the bloodstream. This hormone controls the fertility and reproduction aspects in both men and women, having a smaller part in women's metabolism since there are other female hormones involved in these.
Q2- During MENSTRUATION, the lining of the uterus is shed every month. It happens when the egg is not fertilized, and, therefore, isn't placed in the uterus walls. At the end of this cycle, the woman is fertile and able to reproduce successfully.
Q3 - The most common type of cancer in males between the ages of 15–34 is TESTICULAR CANCER, that happens when the testes don't work properly. If identified quickly, it can be completely cured in 99% of the cases. The symptoms are easy to identify, such as pain in the area, swelling, presence of fluid, etc.
Q4 - INGUINIAL HERNIA can be caused by the heavy lifting of objects. The pressure of the lifting can cause the intestine to push through the abdominal wall, forming a visible bulge.
Q5- How many chromosomes do egg and sperm cells in the body contain? They both contain 23 chromossomes each, since these cells go through meiosis, with reduces the amount of chromosomes on the cells. This fact makes fertilization possible, so the mother cell offers half of the chromosomes to the zygote and the other half comes from the sperm given by the father. Together, the amount of chromosomes is 46, the usual number for our species.