The Circulatory System And The Integumentary System

and support, allows us to manipulate our surroundings and - due to its high metabolic activity - produces heat.” (study.com-Dec 2014) As you can see by the diagram, the muscles cover the entire body as does the integumentary system. They are responsible for movement. They are attached to the bones (skeletal system) and there are nearly 700 different ones. Each is made up of the muscle tissue, blood vessels, tendons and nerves. Each has a specific purpose. For example, the leg muscles assist in moving and bending the legs. The muscles make up nearly half of a person’s total body weight.

“The circulatory system includes your heart, arteries, veins,

The lymphatic system is a network of lymphatic vessels that is a blunt-ended linear system in which lymph (a fluid comprised of tissue fluids, cells and large extracellular molecules) is returned to the bloodstream. The lymphatic system is one of the body’s defenses against illness and disease. It is sometimes included as part of the circulatory system and includes the immune

The hormones produced by these organs are released directly into your bloodstream. These chemical messengers travel throughout your body and help regulate the activities of other organ systems. Many hormones, such as insulin from your pancreas and thyroxine from your thyroid gland, are essential for life.” (study.com-Dec 2014) As you can see in the diagram, there are several areas in the body that contain parts of the endocrine system. The endocrine system is made up of glands that are responsible for many of the functions of other organs and tissues. These glands produce hormones (chemical messengers created by the body) that regulate the body’s growth and sexual development. The hormone is released into the bloodstream and can affect one or several organs in the