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The Human Body
Body Cavities LO 3
Term | Definition |
---|---|
body cavities | space that holds organs, grouped by location |
2 main cavities in the body | dorsal and ventral |
dorsal cavity | back side of body divided into the cranial (holds brain) and spinal (holds spinal cord) cavities |
ventral cavity | front side of the body divided into the thoracic cavity and abdominal cavity |
thoracic cavity | a part of the ventral cavity, holds the heart, lungs, and major blood vessels |
abdominal cavity | a part of the ventral cavity and holds the organs of the digestive and urinary systems |
diaphragm | muscle that separates the thoracic and abdominal cavities |
pelvic | bottom of the abdominal cavity, contains the reproductive system |