The human papillomavirus virus (HPV) is a collection of viruses that cause warts on the hands, feet, and genitals.Some HPVs are sexually transmitted and also cause cervical cancer. An HPV vaccine may reduce your risk.PV Symptoms and Tests. Infection by genital HPV (human papillomavirus) is very common. At least half of people who are sexually active will contract the HPV virus at some point in their lives. Yet many will not know it and have no symptoms.
The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function. The hormones are released into the bloodstream and may affect one or several organs throughout the body. Hormones are chemical messengers created by the body.
Endocrine System. Chemical Control. Hormones Everywhere! Many other organs besides the endocrine glands produce hormones. Kidneys produce several hormones that regulate blood pressure, which is essential for kidney function. The digestive system produces several hormones that regulate appetite. Low body fat stimulates leptin production, which stimulates appetite.