Structure and Function of the body
Terms
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- Denotes a living thing
- Organism
- The smallest "living" units of structure and function in the body
- Cells
- Many similar cells that act together to perform a common function
- Tissue
- A group of several different kinds of tissues arranged to perform a special function
- Organ
- The most complex units that make up the body
- Systems
- Standing erect, facing forward, arms at the side, and palms turned outward
- Anatomical Position
- Toward the head
- Superior
- Toward the feet
- Inferior
- Front or In front of
- Anterior
- Back or In back of
- Posterior
- Toward the midline of the body
- Medial
- Toward the side of the body or away from the midline
- Lateral
- Toward or nearest the trunk of the body
- Proximal
- Away from or farthest from the trunk of the body
- Distal
- nearer the surface
- Superficial
- farther away from the body surface
- Deep
- Lengthwise plane running from front to back, dividing body into right and left sides
- Sagittal Plane
- Divides the body into two equal halves
- Midsagittal Plane
- Lengthwise plane running from side to side, dividing the body into front and back portions
- Frontal(coronal) Plane
- Horizontal or crosswise plane dividing the body into upper and lower portions.
- Transverse Plane
- The relative constancy of the internal environment
- Homeostasis