5.1 Flashcards
What is homeostasis?
homeostasis is the regulation
of the internal conditions of a cell or organism to maintain optimum
conditions for function in response to internal and external changes.
Give examples of conditions maintained by
homeostasis in the body
● Blood glucose concentration
● Body temperature
● Water levels
What two types of responses are used in
body control systems?
Nervous and chemical
What three components do all control
systems have?
● Receptors
● Coordination centres
● Effectors
What is the function of a receptor?
Receptors detect changes in the
environment (stimuli).
What is the function of a coordination centre?
Coordination centres obtain and process
information from receptors
What is the function of an effector?
Effectors (muscles or glands) bring about
responses to stimuli
end of topic
literally 7 cards