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30 Cards in this Set

  • Front
  • Back
what is anatomy?
the study of structure
what is physiology?
the study of function
what does superior, cephalic, or cranial mean in terms of anatomical position?
towards the head
what direction does inferior or caudal go?
towards the feet
what part is the anterior and ventral?
front portion of the body
what part of the body is the posterior and dorsal?
back portion of the body
where is the medial?
towards the midline
what is the lateral?
towards the side of the body
what direction is the superficial?
towards the surface of the body
what direction is "deep"
away from the surface of the body
what direction is proximal?
nearer to the attachment of the body
what direction is distal?
further away from the attachment of the body
what is the sagittal plane?
vetical plane that divides the body or organ into a right and left side
whats the transverse plane?
divides a specimen into a superior and an inferior part
what is the frontal plane?
divides specimen into an anterior and posterior section
what is homeostasis?
the body's way of keeping and maintaining a stable internal environment
what is a negative feedback mechanism? What is an example?
regulates most homeostatic mechanisms, resist change from a set point and return the system to homeostasis: Blood pressure regulation
what are positive feedbacks? What is an example?
not homeostatic, creates a cycle that leads AWAY from homeostasis.:the birthing process
what organs are found in the thoraric cavity?
heart and lungs
what organs are found in the abdominal cavity?
many digestive organs
what organs are found in the pelvic cavity?
lower digestive organs, some urinary organs and reproductive organs
what are the 4 primary elements in living systems?
(C, O, H, N)carbon, oxygen, hydrogen, nitrogen
what is a subatomic particle?
is a particle smaller than an atom
what are the 3 subatomic particles and their charges and where theyre found?
Neutron-no electrical charge, found in nucleus||Proton-positive charge, found in nucleus||electron-negative charge, found in energy shells
what are valence electrons?
electrons in the outermost shell, canbe transferred or shared between 2 atoms in chemical bonding
what is an ionic bond? What is an example?
bonds including oppositely charged ions(atoms that have lost or gain electrons) are attracted to each other. Table salt NACl
what is covalennt bonding?
where atoms share electrons
what are hydrogen bonds?
weak bonds that can easily be broken and put back together
hydrogen bonds are formed between what?
positively charged hydrogen atoms that are covalently bonded to negatively charged oxygen or nitrogen or etc of another molecule
how are covalent bonds formed?
by the sharing of electrons between atoms