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54 Cards in this Set

  • Front
  • Back

Scientific method

systematic approach to discovery

experimentation

testing process

Theory or law

Hypothesis that has gained confidence

Hypothesis

Reasonable guess based on previous informal observations or previously tested explanations

Anatomy

study of the structure of an organism and the relationship of its parts

Physiology

Study of living organisms and their parts

Dissection

Isolate and study the structural components or parts of the human body

Cells

smallest "living" units of structure and function on our body

Tissues

More complex than cells- organization of many cells that act together to perform a common function

Organs

Larger and more complex than tissues- A group of several different kinds of tissues arranged in way that allow them to act as a unit to perform a special function

Systems

Most complex units that make up the body-Organization of varying numbers and kinds of organs that can work together to perform complex functions for the body

Anatomical position

Discussions about the body, the way its moves, its posture, or the relationship of one area to another assume that the body as a whole is in a specific position

Supine position

Body when not in anatomical position- Body is lying face upward

Prone position

Body when not in anatomical position- Body is lying face downward

Directional terms

Describing relative positions of the body parts

Superior

Toward the head- upper or above

Inferior

toward the feet-lower or below

Anterior or ventral

Front or in front of


Ventral can be used in place of anterior-towards to front

Posterior or dorsal

back or in back of


dorsal-Can be used in place of anterior-towards to front

Medial

Toward the midline of the body

Lateral

Toward the side of the body or away from its midline

Proximal

toward or nearest the trunk of the body or nearest point of origin of one of its parts

Distal

Away from or farthest from the trunk or the point of origin of a body

Superficial

nearer the surface

Deep

farther away from the body surface

Sagittal

Cut or section that is a lengthwise plane running from front to back

Frontal

Lengthwise plane running from side to side

Tranverse

Horizontal or crosswise plane-divides the body or any of its parts into upper and lower portions

Body cavities

Location and subdivision of the dorsal and ventral body cavities

Two major body cavities

Ventral and dorsal body cavities

Thoracic cavity

Upper part of the ventral cavity- chest cavity

Mediastinum

The thoracic cavity's midportion and subdivision of the thoracic cavity

Pleural cavities

Thoracic cavities other subdivisions called the right and left pleural cavities

Abdomincal cavity

lower part of the ventral cavity

Pelivic cavities

Lower part of the ventral cavity

Abdominopelvic cavity

Abdominal and pelvic cavity form one cavity because no physical partition seperates them

Diaphragm

Muscular sheet that is dome-shaped and most important muscle for breathing

Four quadrants

Right upper or right superior quadrant


Right lower or right inferior quadrant


Left upper or right superior quadrant


Left lower or right inferior quadrant

Upper abdominopelvic regions

right and left hypochondriac regions and epigastric region lie above an imaginary line across the abdomen at the level of the ninth rib cartilages

Middle regions

The right and left lumbar regions and the umbilical region lie below an imaginary line across the abdomen at the level of the ninth rib cartilages and above the imaginary line across the abdomen at the top of the hip bones

Lower regions

Right and left iliac(inguinal) regions and the hypogastric region lie below an imaginary line across the abdomen at the level of the top of the hip bones

Cranial cavity

Space inside the skull that contains the brain

Spinal cavity

Space inside the spinal column containing the spinal cord

Dorsal cavities

Cranial and spinal cavities

Ventral

Thoracic and abdominopelvic cavities

Two major portions of the body

Axial and appendicular


Axial- head, neck, torso and trunk


Appendicular- upper and lower extremities

Atrophy

Degenerative process resulting from disuse

Homeostasis

relative constancy of the internal environment

feedback loop

basic type of control system

sensor

thermometer-detects change in temperature

Control center

Thermostat that compares the actual temperature with the normal temperature and responds by activating the buildings furnace

Effector

Has an effect on the controlled condition

Negative feedback loops

oppose or negate a change in a controlled condition- ex shivering to respond the cold conditions

Positive feedback loops

Temporarily amplify the change that is occurring-causes an ever-increasing rate of events to occur until something stops the process- example contractions before the birth of a baby