human antomy Flashcards
the branch of science concerned with the bodily structure of humans, animals, and other living organisms, especially as revealed by dissection and the separation of parts
anatomy
the branch of biology that deals with the normal functions of living organisms and their parts.
physiology
any of a number of organized or specialized structures within a living cell.
organelle
the smallest structural and functional unit of an organism,
cell
any of the distinct types of material of which animals or plants are made
tissue
a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
organ
is a group of organs that work together to perform one or more functions
organ system
an individual animal, plant, or single-celled life form.
organisam
he chemical processes that occur within a living organism in order to maintain life
metabolism
the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
homeostasis
is a reaction that causes a decrease in function
negative feedback mechanisms
an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
receptor
Maintanance of relatively stable internal conditions even though external conditions constantly change
control center
an organ or cell that acts in response to a stimulus.
effector
enhances or amplifies an effect by it having an influence on the process which gave rise to it
positive feedback mechanism
