to hang somethingappendix
how did ancient healers begin their study of the body?
they observed effects of injuries, saw how wounds healed and examined cadavers to determine causes of death
how are the structures of fingers related to their grasping function
a hand with long jointed fingers makes it easy to grasp objects
list structures in increasing complexity
atoms, molecules, macromolecules, organelles, cells, tissue, organ, organ system, organism
Change in position of the body or of a body part; motion of an internal organ
Reaction to a change inside or outside the body
increase in size without shape change
production of new organisms and cells
obtaining oxygen, removing carbon dioxide, and releasing energy from foods
Breakdown of food substances into simpler forms that can be absorbed and used
passage of substances through membranes and into body fluids
changing absorbed substances into chemically different forms
movement of substances in body fluids
removal of wastes produced by metabolic reactions
what is metabolism?
sum of all chemical reactions in the body in the body that break down substances down and build them up
essential for metabolic processes
provides chemicals for building new living matter
necessary for release of energy
governs the rate of chemical reactions
creates a pressing or compressing action
how are vital signs important?
it shows us if someones alive or not
what is homeostasis? and how are receptors, effectors and set points used
homeostasis is the condition if a stable internal environment. Receptors - provide info about stimuli in the internal environmentset points - tells us what a certain value should beeffectors - cause responses that alter conditions in the internal environment
how is body temp maintained
our hypothalamus maintains and generates heat
What is negative feedback?
A response to a change in the body that counteracts or opposes the initial change.reduces the action of effectors
what is positive feedback?
Feedback that increases the output of a process.child birth or blood clotting
earliest studies of anatomy and physiology dealt with?
illnesses and injuries
early healers relied on superstitions and _____
development of medicine with standardized terms in ____ and ______
greek and latin
deals with STRUCTURE
deals with FUNCTION
which discovery is more likely