Crash Course A&P #1 Flashcards
the science of how body parts come together to function and keep the body alive
physiology
function follows _________.
form
complementarity of __________ and ____________.
structure; form
smallest constituent unit of ordinary matter that has the properties of a chemical element
atom
about how many atoms are in your body
7 octillion
cells vary widely in _______ and ______ based on their ___________.
size; shape; purpose
muscles, membranes, nervous cavity linings
tissues
two or more tissues come together (heart, liver, lungs)
organs
multiple organs working together
organ systems
Multiples organs working together
organ systems
organization of cells
body
approximate number of your cells in your body
trillions
maintain stable internal conditions no matter what changes occur outside the body
homeostasis
body is erect and facing forward, with arms facing forward, with arms at sides and plans forward
anatomical position
median plane; vertical
Sagittal plane
parallel to the body
parasagittal plane
coronal plane
frontal plane
horizontal plane
transverse plane
head, neck, and body (center)
axial
arms and legs (appendages)
appendicular
anterior; front of body
ventral
posterior; back of body
dorsal
superior; towards the top
cranial
inferior; towards the bottom
caudial
