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Chapter 1

Intro to the Body

TermDefinition
Hypothesis a statement saying what we want to do
Experiment test the hypothesis with a limit
Theory or Law a hypothesis that has been proved by experiments to have a high degree of confidence
Structural Level of Organizations Cells - Tissues - Organs - Systems - Body - Body as a Whole
Homeostasis the body evening things out (equalizing, balance)
Anatomical Position when the body stands erect with the arms at the sides and palms turned forward
Superior toward the head, upper, above
Inferior toward the feet, lower, below
Anterior front, in front of
Posterior back, in back of
Medial toward the midline of a structure
Lateral away from the midline of a structure
Proximal toward or nearest the trunk, or nearest point of origin of a structure
Distal away from or farthest from the trunk, or farthest from a structure's point of region
Superficial nearer the body surface
Deep farther away from the body surface
Sagittal Plane lengthwise plane that divides a structure into right and left sections
Midsagittal Plane sagittal plane that divides the body into two equal halves
Frontal (coronal) Plane lengthwise plane that divides a structure into anterior and posterior sections
Transverse Plane horizontal plane that divides a structure into upper and lower sections. (superior/inferior)
Thoracic Cavity Mediastinum- Mid Portion of thoracic; heart and trachea are located in mediastinum
Pleural Cavities right lung located in right pleural cavity; left lung is in left pleural cavity
Abdominopelvic Cavity Abdominal cavity contains stomach, intestines, liver, gallbladder, pancreas, and spleen
Pelvic Cavity contains reproductive organs, urinary bladder, and lowest part of intestine
4 Quadrants Right Upper, Left Upper, Right Lower, Left Lower
9 Quadrants Right Hypochondriac, Epigastric, Left Hypochondriac, Left Lumbar, Umbilical, Right Lumbar, Right Iliac, Hypogastric, Left Iliac
Dorsal Cavity Cranial Cavity & Spinal Cavity
Cranial Cavity Contains brain
Spinal Cavity contains spinal cord
Axial Region head, neck, and torso/trunk
Appendicular Region upper and lower extremities
Atrophy (decrease in size); occurs when an organ is not used
Created by: TheLifeOfMJ