Sexually transmitted diseases (STDs) are infections that are passed from one person to another through sexual contact. The causes of STDs are bacteria, parasites, yeast, and viruses. There are more than 20 types of STDs, including. Chlamydia. Genital herpes. Gonorrhea.
Society for Endocrinology. Hormones. Oxytocin is a hormone that acts on organs in the body (including the breast and uterus) and as a chemical messenger in the brain controlling key aspects of the reproductive system including childbirth and lactation, and aspects of human behaviour.
Target tissues and organs are those who cannot produce their own hormones rather hormones are targeted towards them from the pituitary gland.The hypothalamus send signals to tâ¦he anterior pituitary gland which releases hormones and those hormones are carried by the blood to target tissues.