BIOL 243 EXAM 1 USC QUESTIONS
WITH 100% VERIFIED ANSWERS
\.Anatomy - ANSWERS-study of the structure of body parts and their relationship
to one another
\.physiology - ANSWERS-study of the function of body parts; how they work to
carry out life-sustaining activities
\.atom, molecule, macromolecule, organelle, cell, tissue, organ, organ system,
organism - ANSWERS-levels of structural organization
\.water, nutrients, oxygen, normal body temperature, appropriate atmospheric
pressure - ANSWERS-survival needs
\.digestion, metabolism, excretion, reproduction, growth - ANSWERS-necessary
life functions
\.homeostasis - ANSWERS-maintenance of an internal environment within narrow
fluctuations around a set-point in the face of a changing external environment
\.sensor (receptor) - ANSWERS-monitor internal and external environment
respond to stimuli
, \.controller (control center) - ANSWERS-determine set point at which a variable is
maintained
receive input form the sensor
determine appropriate response
\.effector - ANSWERS-receive output from control center
provide the means to respond
response either reduces stimulus or enhances stimulus
\.negative feedback mechanisms - ANSWERS-reduces stimulus, most common,
examples are insulin regulating blood sugar and kidneys regulating electrolyte
balance
\.positive feedback mechanisms - ANSWERS-enhances stimulus, very rare in the
body, examples are labor through release of oxytocin and platelet
recruitment/clotting after injury
\.sagittal plane - ANSWERS-splits body into right/left sections
\.frontal/coronal plane - ANSWERS-splits body into ventral/dorsal sections
\.transverse plane - ANSWERS-splits body into superior/inferior sections
\.dorsal cavity - ANSWERS-cranial and vertebral
WITH 100% VERIFIED ANSWERS
\.Anatomy - ANSWERS-study of the structure of body parts and their relationship
to one another
\.physiology - ANSWERS-study of the function of body parts; how they work to
carry out life-sustaining activities
\.atom, molecule, macromolecule, organelle, cell, tissue, organ, organ system,
organism - ANSWERS-levels of structural organization
\.water, nutrients, oxygen, normal body temperature, appropriate atmospheric
pressure - ANSWERS-survival needs
\.digestion, metabolism, excretion, reproduction, growth - ANSWERS-necessary
life functions
\.homeostasis - ANSWERS-maintenance of an internal environment within narrow
fluctuations around a set-point in the face of a changing external environment
\.sensor (receptor) - ANSWERS-monitor internal and external environment
respond to stimuli
, \.controller (control center) - ANSWERS-determine set point at which a variable is
maintained
receive input form the sensor
determine appropriate response
\.effector - ANSWERS-receive output from control center
provide the means to respond
response either reduces stimulus or enhances stimulus
\.negative feedback mechanisms - ANSWERS-reduces stimulus, most common,
examples are insulin regulating blood sugar and kidneys regulating electrolyte
balance
\.positive feedback mechanisms - ANSWERS-enhances stimulus, very rare in the
body, examples are labor through release of oxytocin and platelet
recruitment/clotting after injury
\.sagittal plane - ANSWERS-splits body into right/left sections
\.frontal/coronal plane - ANSWERS-splits body into ventral/dorsal sections
\.transverse plane - ANSWERS-splits body into superior/inferior sections
\.dorsal cavity - ANSWERS-cranial and vertebral
