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Medical Terminology
abdominal cavity- body space between the abdominal walls, above the pelvis, and below the diaphragm | blood system- body system that includes blood and all its component parts |
cardiovascular system- body system that includes the heart and blood vessels; circulatory system | cell- smallest unit of a living structure |
connective tissue- fibrous substance that forms the body's supportive framework | cranial cavity- space in the head that contains the brain |
diaphragm- muscle that divides the abdominal and thoracic cavities | digestive system- body system that includes all organs of digestion and waste excretion, from the mouth to the anus |
dorsal cavity- main cavity on the back side of the body containing the cranial and spinal cavities | endocrine system- body system that includes glands which secrete hormones to regulate certain body functions |
epithelial tissue- tissues that covers of lines the body or its parts | integumentary system- body system that includes skin, hair, and nails |
lymphatic and immune system- includes the lymph, glands of the lymphatic system, lymphatic vessels, and the specific and nonspecific defenses of the immune system | muscle tissue- tissue that is able to contract and relax |
musculoskeletal system- body system that includes muscles, bones, and cartilage | nervous system- body system that includes the brain, spinal cord, and nerves and controls most body functions by sending and receiving messages |
nervous tissue- specialized tissue that forms nerve cells and is capable of transmitting messages | organ- group of specialized tissue that performs a specific function |
pelvic cavity- body space below the abdominal cavity that includes the reproductive organs | reproductive system- either the male or female body systems that controls reproduction |
respiratory system- body system that includes the lungs and airways and performs breathing | sensory system- body system that includes the eyes and ears and those parts of other systems involved in the reactions of the five senses |
spinal cavity- body space that contains the spinal cord | system- any group of organs and ancillary parts that work together to perform a major body function |
thoracic cavity- body space above the abdominal cavity that contains the heart, lungs, and major vessels | tissue- any group of cells that work together to perform a single function |
urinary system- body system that includes the kidneys, ureters, bladder, urethra, and helps maintain homeostasis by removing fluid and dissolved waste | ventral cavity- major cavity in the front of the body containing the thoracic, abdominal, and pelvic cavities |