HUMAN ANATOMY -CHPT 1

STRUCTURAL LE VELS OF

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Cards In This Set

Front Back
SYSTEM
AGROUP OF ORGANS ARRANGED IN SUCH A WAY THAT THEY CAN TOGETHER PERFORM A MORE COMPLEX FUNCTION THAN CAN ANY ALONE
ANATOMY
THE STUDY OF THE STRUCTURE OF AN ORGANISM AND THE RELATIONSHIP OF ITS PARTS
PHYSIOLOGY
THE STUDY OF FUNCTIONS OF LIVING ORGANISM AND THEIR PARTS
CELL
THE SMALLEST "LIVING" UN ITS OF STRUCTURE AND FUNCTION IN OUR BODY
HOMEOSTASIS
A STATE OF RELATIVE CONSISTANCY OF THE BODY'S NORMAL INTERNAL ENVIRONMENT
POSITIVE FEED-BACK LOOP
AMPLIFIES A CHANGE THAT IS OCCURRING 9STIMULATORY0
NEGATIVE FEEDBACK LOOP
OPPOSES OR NEGATES A CHANGE IN A CONTROLLED CONDITION (INHIBITORY)
LEVELS OF ORGANIZATION
1. CHEMICAL 2. CELLULAR 3. TISSUE 4. ORGAN 5.ORGAN SYSTEM 6.ORGANISM
ANATOMICAL POSITION
THE REFERENCE POSITION FOR THE BODY THAT GIVES MEANING TO DIRECTIONAL TERMS
When in the anatomical position:
  • The body is in an erect or standing posture.
  • Face is forward.
  • Arms are at the sides.
  • Feet and palms of the hands are directed forward.
  • Feet are slightly apart.
SUPERIOR INFERIOR
SUPERIOR- TOWARD THE HEAD INFERIOR- TOWARD THE FEET
ANTERIOR POSTERIOR
ANTERIOR-FRONT POSTERIOR-BACK
MEDIAL LATERAL
MEDIAL-TOWARD THE MIDLINE OF THE BODY LATERAL-TOWARD THE SIDE OF THE BODY
PROXIMAL DISTAL
PROXIMAL-TOWARD OR NEAREST THE TRUNK OF THE BODY OR NEAREST THE POINT OF ORIGIN OF A BODY PART DISTAL- AWAY FROM OR FARTHEST FROM THE POINT OF ORIGIN OF A BODY PART
SUPERFICIAL DEEP
SUPERFICIAL- NEARER THE BODY SURFACE DEEP- FARTHER AWAY FROM THE BODY SURFACE