The organic compounds secreted directly into the blood to regulate body functions are called

The body produces organic chemicals known as hormones which are released directly into the bloodstream by endocrine glands. Hormones travel to target tissues and organs where they regulate functions such as metabolism growth reproduction and mood. For instance insulin from the pancreas controls blood sugar while thyroid hormones influence energy use. Unlike digestive juices hormones act at a distance through the blood. The compounds described in the question are hormones and this links to option B in the given list.