1 Connect
when a stimulus is reinforced to continue in the same direction until a climatic even occurs, it is best described as which of the following
positive feedback
which of the following body structures can serve as effectors
smooth muscles of bronchioles, insulin secreting cells of pancreas
control center
structure that interprets input from the receptor and initiates changes through the effector (homeostasis)
the chemical level of an organization is
the simplest level of organization, composed of atoms and molecules
metabolism
the sum of all chemical reactions that occur within the body
t or f: most homeostatic variables aren't constant over time but fluctuate around a set point
true
t or f: most processes int he body are controlled by negative feedback
true