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U2: Human Body Org.
| Term | Definition |
|---|---|
| abdominopelvic cavity | continuous internal opening that includes the abdominal and pelvic cavities |
| anatomical position | erect standing position with arms at the sides and palms facing forward |
| anatomy | the study of the form or structure of living things including plants, animals, and humans |
| anterior (ventral) | toward the front of the body |
| superior (cranial) | closer to the head |
| cell | the smallest living building blocks of all organisms |
| inferior (caudial) | away from the head |
| cranial cavity | opening inside the skull that holds the brain |
| receptor | transmitter that sense environmental changes |
| distal | away from the trunk |
| frontal (plane) | an invisible, flat surface that divides the body into front and back halves |
| medial | toward the midline of the body |
| lateral | away from the midline of the body |
| homeostasis | a state of regulated physiological balance |
| superficial | toward the surface of the body |
| negative feedback system | mechanism that reverses a condition that has exceeded the normal homeostatic range to restore homeostasis |
| orbital/orbital cavity | openings that hold the eyes |
| organ | body part organized to perform a specific function |
| organ system | two or more organs working together to perform specific functions |
| physiology | the study of how living things function or work |
| positive feedback system | mechanism that further increases a condition that has exceeded the normal homeostatic range |
| posterior (dorsal) | continuous internal opening near the back of the body that includes the cranial and spinal cavities |
| effector | unit that receives a command stimulus from the control center and causes an action to help maintain homeostasis |
| proximal | closer to the trunk |
| deep | away from the surface of the body |
| sagittal (plane) | an invisible, vertical flat surface that divides the body into right and left halves |
| spinal/spinal cavity | the internal opening that houses the spinal cord |
| thoracic/thoracic cavity | the internal opening that houses the heart and lungs |
| tissue | organized groups of similar cells |
| transverse (plane) | an invisible, horizontal flat surface that divides the body into top and bottom halves |
Created by:
mrt.17000