a & p quiz 1 Flashcards
anatomy
study of structure/morphology of the human body and its parts; derived from greek for “a cutting up
physiology
the study of the functions of the human body and its parts; derived from greek for “realtionship to nature”
axial portion
head, neck, and trunl
appendicular portion
upper and lower libbers
cranial cavity
houses the brain
vertebral canal (spinal cavity)
contains spinal cord
thoracic cavity
houses lungs and thorasic viscera
abdominopelvic cavity
contains abdominal and pelvis viscera
magnetic resonance imaging (MRI)
magnetic field changes alignment and spin of certain types of atoms; provides high-resolution images of internal structures, such as the brain
movement
change In position of the body or of a body part, motion of an internal organ
responsiveness
reaction to a change inside or outside the body
growth
increase in body size without change in shape
reproduction
production of new organisms and new cells
respiration
obtaining oxygen, removing carbon dioxide, releasing energy from foods (some forms of life do not use oxygen in respiration)
digestion
breakdown of food substances into simpler forms that can be absorbed and used
absorption
passage of substances through membranes and into body fluids
circulation
movement of substances in body fluids
assimilation
change o absorbed substances into different chemical forms
excretion
removal of wastes produced by metabolic reactions
metabolism
all of the chemical reactions in an organism that supports life
homeostasis
the tendency of an organism to maintain a stable internal environment despite external changes
homeostatic mechansims
self-regulating systems that monitor aspects of the internal environment and correct them as needed
receptor
detects and provides information about the stimuli
control center
decision-maker that maintains the set point