Answer:
overreacts to an antigen
Explanation:
Allergies to substances are as a result of immunological dysfunction.
1. plants do not need and complex excretory organ because it creates a very small amount or nitrogenous waste.
D a change in color of a subtance
Answer:
b) inhibits, activates
Explanation:
During the rhythmic ativity of sleep, thalamocortical neuron activity inhibits neuron activity, that in turn, activates thalamocortical activity.
