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72 Cards in this Set

  • Front
  • Back
What is Anatomy?
Study of the structure(form)
What is Physiology?
Study of function
Dissection(cadaver) is?
cutting and separation of tissues to reveal their relationship
What is comparative anatomy?
Study of different species
Physical examination is?
palpation, auscultation, and percussion
Gross anatomy is?
visible with the maked eye
Histology is?
Examination of tissues and cells using a microscope
How do we study bodily function?
by using methods of experimental science
What is comparative physiology?
study of how different species have solved problems of life( water balance, respiration, and reproduction) and is the basis for the developement of new drugs and medical procedured
What is an organism?
It is composed of several organ systems
What is an organ system?
it is composed to several organs
What is an organ?
composed of several tissues
What are tissues?
composed fo cells
What are the 4 classes of tissues?
1. Epithelial
2. Connective
3. Nervous
4. Muscular
Cells are composed of?
Cells are the smallest?
unit of life
Organelles are composed of?
macromolecules(proteins, fats, DNA, & carbohydrates)
Macromolecules are composed of?
Molecules are composed of?
Atoms/Elements are?
the smallest unit of matter
cellular composition is?
must have at least 1 cell
metabolism and excretion is?
metabolism requires excretion, seperation of wastes from the tissues and their elimination from the body
responsivness and movement is?
the ability or organisms to sense and react to stimuli
Evolution is?
all living species exhibit genetic change from generation to generation and therefore evolve
Development is?
any change in form or function over the livetime of the organism
2 processes if development are?
1. differetiation
2. growth
Differentiation is?
the transformation of cells with no specialized task
Growth is?
is an increase in size
Reproduction is?
Organisms can produce copies of themselves
Homeostasis is?
the ability to maintain a stable environment

Think of total organism
What is a receptor?
monitors the environment and responds to changes(stimuli)
What is the control center?
it determines the set point at which the variable is maintained
What is the effector?
it provides the means to respond to the stimulus
What is negative feedback?
the output shuts off the original stimulus (fixes the problem)(eliminates the stimula, turns it off)
What is positive feedback?
it turns something on
What is the anatomical position?
-body is in erect standing position
-head, eyes, and toes are directed anteriorly
-upper extremeties are by the side of the torso and palms faced forward(anterior)
-lower extremities are positioned with heels touching posteriorly and the great toe thouching anteriorly
Superior vs Inferior
Cranial vs caudal
anterior vs posterior
ventral vs dorsal
proximal vs distal
near vs far
superficial vs deep
external vs internal
What is the frontal(coronal) plane
divides the body in front and back
What is the sagittal plane
divides the body into right and left
What is the transverse plane
divides the body into superior(upper) and lower (inferior)portions
Dorsal cavity has two subdivisions
1. cranial cavity
2. vertebral canal
The cranial cavity encloses?
the brain
The vertebral canal contains
the spinal cord
The ventral cavity houses
visceral (internal) organs
Thoracic cavity houses
pleura, mediastinal, and the pericardial
Parietal serosa lines
internal body walls
Visceral serosa covers
the internal organs
reduces friction between organs
Serosa fluid
seperates the serosa and is produced by serosa
What is an element?
the simplest form of matter that has unique chemical properties
What is atomic number?
number protons + number of neutrons
Major elements in body
O-oxygen N-nitrogen
C-carbon Ca-calcium
H-hydrogen P-phosphorus
Some elements the body only requires
S-sulfer Cl-chlorine
K-potassium Mg-magnesium
Na-Sodium Fe-iron
Most common elements are?
Calcium and Phosphorus which contribute to bone and teeth development
Iodine is needed for
Iron is needed for
Electorlytes are needed for
nerve and muscle function
nucleus is composed of
protons (+) charge and neutron which have no charge
Each proton or neutron weigh
1 atomic mass unit (amu)
Around the nucleus are?
electrons (-) charge
electrons swim around
nucleus in electon shells
in the electron shell is
first shell holds 2 electrons
each additional shell wants 8 electrons
The electrons in the outer shell are
valence electrons
*Valence electons
control chemical bonding
To keep balance and atom will
either give or take electrons from other atoms
Every atom has varrients called
**only differ in # of neutrons
What changes atomic mass
a different # of neutrons
What is radioisotopes
unstable isotopes
What is radioactivity
process of decay