Page Content. Clinical research aims to advance medical knowledge by studying people, either through direct interaction or through the collection and analysis of blood, tissues, or other samples. A clinical trial is one type of clinical research that follows a pre-defined plan or protocol.
The female reproductive system interacts with many other systems in the body. The most common is the endocrine system. The reproductive system relies on the endocrine system to produce hormones such as progesterone and estrogen, that help with the blood lining of the uterus and prepare the uterus for pregnancy.
1. Whatâs a gland? Whatâs a hormone? How do glands and hormones work together? 2. How does the endocrine system work with other body systems, such as the nervous system and the circulatory system? 3. The body makes more than 20 hormones, each with a specific function. How is it that hormones know exactly which tissues and organs to communicate with? Describe this process. 4. The endocrine system not only produces hormones, but also has a self-regulating system that senses when to shut them off.