TEAS Science 305 Definitions
Anatomical position - Standard positioning of the body as standing; feet together; arms
to the side; with head, eyes, and palms of hands forward.
Cells - The basic structural unit of an or
...
TEAS Science 305 Definitions
Anatomical position - Standard positioning of the body as standing; feet together; arms
to the side; with head, eyes, and palms of hands forward.
Cells - The basic structural unit of an organism from which living things are crated.
Cellular functions - Processes that include growth, metabolism, replication, protein
synthesis, and movement.
Directional terminology - Words used to explain relationships of locations of anatomical
elements (distal, posterior, medial, etc.)
Distal - Farther from the trunk of the body
Lateral - Away from the midline of the body
dorsum of hand - top of hand
dorsum of foot - Top of foot
posterior - Back of the body
medial - Toward the midline of the body
anterior - Located towards the front of the body
inferior - Lower on the body, farther from the head
Organ system - A group of organs that work together in performing vital body functions.
Organelle - A specialized part of a cell that has a specific function.
Organ - A self-contained part of an organism that performs a specific function.
Reference planes - Planes dividing the body to describe locations: sagittal, coronal, and
transverse.
Tissue - A group of cells with similar structure that function together as a unit, but at a
lower level than organs.
Alveoli - Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes
place.Asthma - A lung disease characterized by inflamed, narrowed airways and difficulty
breathing.
Bronchi - The main passageways directly attached to the lungs.
Bronchioles - Small passages in the lungs that connect bronchi to alveoli
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