4. checkmate. when the minimal amount of urinals are used in a boys bathroom, but you cannot use one without breaking guy code. 5 urinals, people at urinals 2 and 4, so you cannot use a urinal without being next to someone.
1 When blood concentrations of thyroid hormones increase above a certain threshold, TRH-secreting neurons in the hypothalamus are inhibited and stop secreting TRH. 2  This is an example of negative feedback.
Posted on. (Answer #1). Interactions among hormones can be characterized as having synergistic, permissive, or antagonistic effects. Hormones that work in conjunction with one another are described as synergistic.osted on. (Answer #1). Interactions among hormones can be characterized as having synergistic, permissive, or antagonistic effects. Hormones that work in conjunction with one another are described as synergistic.