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Name:_______________________ Period:_______ Date:______________ Body systems review A body system means two or more different organs that work together to do the same job. There are 10 major organ systems in the human body. • Skeletal System – provides support for the whole body and protects delicate organs; the major organs in the system are bones, cartilage, tendons and ligaments • Muscular System – provides movement of the body, and movement of materials through some organs, like the stomach and intestine; the major organs in the system are skeletal, cardiac and smooth muscles • Circulatory System – transports blood throughout the body; the major organs in the system are the heart, blood vessels and blood • Nervous System – Tissue that carries messages by electrical signals to and from the brain; the major organs in the system are the brain, spinal cord and nerves • Respiratory System – takes in oxygen and lets out carbon dioxide through breathing; the major organs in the system are the nose, trachea (throat) and lungs • Digestive System – breaks down and absorbs food need to maintain the body; the major organs of the system are the mouth, esophagus, stomach and intestines • Excretory System – gets rid of unusable food and other waste; the major organs of the system are the lungs, kidneys and bladder • Endocrine System – works with the nervous system and sends chemical messages through the body to control digestion and growth; the organs involved are the pituitary, pancreas, adrenal glands • Reproductive System – allows humans to produce offspring; some major organs in the system include the ovaries and uterus in females; and testis is males • Immune System – destroys things that try to invade the body, such as viruses and bacteria; the organs involved are lymph nodes, spleen and blood vessels In the table below, fill in the organs or tissues with the systems that they belong to. System Respiratory Digestive Skeletal Nervous Muscular Endocrine Immune Excretory Circulatory Reproductive Organ Organ Organ Level of organization: Simple Complex Cell –>Tissue –> Organ –> Organ System –> Organism Use the clues provided to find each “hidden word”. Shade in the boxes to show your answers! Words will twist in all directions, but never cross. Example: 1. 2. _Unicellular________ Living things composed of only one cell _________________ Tissue that carries messages throughout our bodies 4. 5. 6. _________________ Any living thing _________________ Living thing composed of more than one cell __________system Group of organs working together to perform a specific job. 7. 8. 9. _________________ The only organ that is able to contract, or shorten _________________ Group of tissues working together to do a job 3. _________________ Organ system that breaks down food and absorbs nutrients. _________________ System that removes solid and liquid wastes 20. 21. _________________ _________________ System that transports nutrients and wastes. System that fights disease. Medical Terminology Made Easy Many medical terms refer to various parts of the body. By learning to recognize the “word roots” for some of these parts, you can understand complicated medical terms. The following is a list of word roots, many of them derived from Latin or Greek, for various structures of the body. cardio- = heart hepat- = liver neuro- = nerve derm- = skin myo- = muscle odont- = tooth gastro- = stomach nephro- = kidney osteo- = bone Using the list of word roots as a guide, see if you can match each definition in Column I with the correct medical term in column II. Knowledge of the following word endings, or suffixes, and word roots will also be helpful: -itis (infection, inflammation), -ology (the study of), -ectomy (surgical removal), -otis (abnormal or diseased), -gram (recorded), -scope (to view), -tachy (swift), and -algia (pain). Column I Column II ___ 1. Inflammation of the stomach A. Dermatologist ___ 2. Study of the nervous system B. Electrocardiogram ___ 3. Malfunction of kidneys C. Gastrectomy ___ 4. Abnormally rapid beating of the heart D. Gastritis ___ 5. Pain in muscle or muscles E. Hypodermic ___ 6. Surgical removal of Kidneys F. Myalgia ___ 7. Inflammation of the heart lining G. Nephrectomy ___ 8. Specialist in diagnosis and treatment of skin disorders H. Neurology ___ 9. Recorded graph showing a heartbeat ___ 10. Surgical removal of part of the stomach ___ 11. Small mirror used by dentists to view teeth ___ 12. Injection of fluid medicine under the skin by means of a syringe I. Tachycardia J. Endocarditis K. Nephrosis L. Odontoscope