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Structure & Function

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Anatomy   Study of the structure of an organism & the relationship of its parts; done by dissection  
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Physiology   Study of the functions of living organisms & their parts  
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Pathology   scientific study of disease; uses principles of anatomy and physiology to determine nature of diseases  
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cells   smallest living units of structure and function in the body  
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tissues   organization of many cells that act together to perform a common function  
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organs   group of several different kinds of tissues arranged so they can act together as a unit to perform a special function  
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Systems   organization of varying number and kinds of organs arranged so that they can together perform complex functions of the body  
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supine position   body is lying face upward  
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prone position   body is lying face downward  
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superior (S)   toward the head; upper; above  
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inferior (I)   toward the feet; lower; below  
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anterior (A)   front; in front of  
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posterior (P opposite A)   back; in back of  
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ventral   toward the belly (can use in place of anterior)  
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dorsal   toward the back (can be used in place of posterior)  
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medial (M)   toward the midline of the body  
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lateral (L opposite M)   toward the side of the body or away from the midline  
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proximal (P opposite D)   toward or nearest the trunk of the body or nearest the point of origin of one of its parts  
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distal (D)   away from or farthest from the trunk or the point of origin of a body part  
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superficial   nearer the surface  
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deep   farther away from the body surface  
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R   right  
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L   left  
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sagittal   lengthwise plane running from front dividing body into L and R parts  
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frontal/coronal   lengthwise plane running side-to-side; divides body into anterior and posterior parts  
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transverse/horizontal   divides body into upper and lower portions  
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dorsal cavity   1) cranial cavity/brain 2) spinal cavity/spinal cord  
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axial body portion   head, neck, torso/trunk  
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appendicular body portion   upper and lower extremities  
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atrophy   degenerative process resulting from disuse  
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homeostasis   relative constancy of the internal environment  
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feedback loop   a highly complex and integrated communication control system classified as negative or positive  
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negative feedback loops   opposes or negates change in a controlled condition to cause a return to normal  
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positive feedback loops   stimulatory; temporarily amplify or reinforce change that is occurring. Rate increases until something causes it to stop  
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sensor   detector of changes in feedback loop  
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