Homeostasis Flashcards
What are sensory receptors?
Detect stimuli and initiate response
What are the types of sensory receptors?
Chemoreceptors, thermoreceptors, photoreceptors, mechanoreceptors
What are effectors?
Produce a response to stimulus
What response would a muscle and gland produce to a detected stimuli?
Muscle contracts and glands produce secretions
What is metabolism?
Chemical reaction that occurs in the body to change food into energy
What are the two main types of metabolism?
Anabolic, catabolic
Define anabolism
The building of larger, complex molecules from smaller ones and require an input of energy
Define catabolism
The breaking of chemical bonds into large molecules, process releases energy
Outline the process of homeostasis
Imbalance(stimulus)- change detected- receptor- input through afferent pathway- control centre- output through efferent pathway- effector- response to change
Define receptor
Receive and transduce signals
Define effector
An organ or tissue that acts in response to a stimulus
Define an osmoregulator
Keeps osmolarity of body fluids constant
Define an osomoconformer
Change osmolarity of body fluids to that of the environment, does not expend energy
Define thermoregulation
Organisms regulate body temp to survive, maintain a constant environment
Define thermoconformers
Adopt surrounding temp at their own
