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Major Organ Systems

Major Organ Systems, structures, and functions

Organ SystemOrgans and StructuresFunction
Integumentary system Skin, hair, nails, duct glands Protects the organism from injury, disease, and infection; aids in the regulation of temperature, the excretion of wastes, and the reception of sensations
Skeletal system Bones, joints, cartilage, connective tissue Provides the framework for the body and works to protect and support the body
Muscular system Skeletal, smooth, and cardiac muscles Provides for body movement and support
Nervous system Brain, spinal cord, peripheral nerves Coordinates body activities by receiving, interpreting, and conducting messages to all other systems of the body
Special Senses Eyes, ears, nose, taste buds Function in receiving sensations such as sight, smell, hearing, and taste
Digestive system Mouth, pharynx, esophagus, stomach, large and small intestines, accessory organs such as the gallbladder and pancreas Receives, breaks down, and absorbs food substances and excretes waste products
Circulatory system Heart, blood vessels, blood, lymphatic tissues Transports materials throughout the body by carrying oxygen and nutrients in the blood to all the cells of the body and carrying away the wate products of the cells
Respiratory system Lungs, nose, pharynx, larynx, trachea Takes in oxygen from the air and gives off carbon dioxide, which is produced by cell metabolism
Urinary system Kidneys, ureter, bladder, urethra Serves in removing waste products from the bood and in excreting wastes in the form of urine
Reproductive system Sex organs and ducts to the outside Involved with reproduction and childbirth
Endocrine system Ductless glands, such as the tyroid and pituitary Serves to regulate various body functions through glands that secrete hormones directly into the blood to slow down or increase the activity of the cells
Immune system White blood cells, antibodies Provides protection against disease and infection
Created by: eellis