Definition: Skin and structures derived from it, such as hair, nails, and sweat and oil glands.
Function: Helps regulate body temperature, protects the body, eliminates wastes, helps make vitamin D, receives certain stimuli such as temperature, pressure, and pain.
Definition: All the bones of the body, their associated cartilages, and joints.
Function: Supports and protects the body, assits with body movements, houses cells that produce blood cells, stores minerals.
Definition: Specifically refers to skeletal muscle tissue, which is muscle attached to bones.
Function: Participates in bringing about movement, maintains posture, produces heat.
Definition: Brain, spinal cord, nerves, and sense organs, such as the eye and ear.
Function: Regulates body activities though nerve impulses.
Definition: All glands and tissues that produce chemical regulators of body functions called hormones.
Function: Regulates body activities though hormones transported by the blood and the cardiovascular system.
Definition: Blood, heart, and blood vessels.
Function: Distributes oxygen and nutrients to cells, carries carbon dioxide and wastes from cells, helps maintain the acid-base balance of the body, protects against disease, prevents hemorrhage by forming blood clots, helps regulate body temperature.
Lymphatic and Immune
Definition: Lymph, lymphatic vessels, and structures or organs containing lymphatic tissues (large numbers of white blood cells called lymphocytes) such as the spleen, thymus gland, lymph nodes, and tonsils.
Function: Returns proteins and plasma (liquid protein of blood) to the cardiovascular system, transports fats from the gastrointestinal tract to the cardiovascular system, filters body fluid, protects against disease.
Definition: Lungs and associated passageways such as the pharynx (throat), larynx (voice box), trachea (windpipe), and bronchial tubes leading into and out of them.
Function: Supplies oxygen, eliminates cardon dioxide, helps regulate the acid-base balance of the body.
Definition: Gastrointestinal tract and associated organs such as the salivary glands,liver, gallbladder, and pancreas.
Function: Breaks down and absorbs food for use by cells, eliminates solid and other wastes.
Definition: Kidneys, ureters, urinary bladder, and urethra that, together, produce, collect, and eliminate urine.
Function: Regulates the chemical composition of blood, eliminates wastes, regulates fluid and electrolyte balance and volume, helps maintain the acid-base balance of the body, helps regulate red blood cell production.
Definition: Organs (testes and ovaries) that produce reproductive cells (sperm and ova) and other organs that transport, store, and nourish reproductive cells (vagina, uterine tubes, uterus, vas deferens, urethra, penis).
Function: Reproduces the organism.