Respiration - Definition
respiration
n 1: the metabolic processes whereby certain organisms obtain
energy from organic molecules; processes that take place in
the cells and tissues during which energy is released and
carbon dioxide is produced and absorbed by the blood to be
transported to the lungs [syn: respiration, internal
respiration, cellular respiration]
2: a single complete act of breathing in and out; "thirty
respirations per minute"
3: the bodily process of inhalation and exhalation; the process
of taking in oxygen from inhaled air and releasing carbon
dioxide by exhalation [syn: breathing, external
respiration, respiration, ventilation]