A hormone is a chemical that is ____

a. secreted by a gland to the outside world
b. conveyed by the blood to other organs, whose activity it influences
c. capable of activating or inhibiting muscle fibers
d. a feedback message from the postsynaptic neuron to the presynaptic neuron


b

Psychology

You might also like to view...

What portion of the organ of Corti transduces sound energy into neural signals?

a. ?ossicles b. ?hair cells c. ?flagella d. ?microvilli

Psychology

Determining a person's reaction time (in milliseconds) would involve measurement on a(n) ____ scale of measurement

a. nominal b. ordinal c. interval d. ratio

Psychology

Infants possess an inborn ability to remedy deficits in their environments in order to promote their own brain development. This inborn ability is called ______

Fill in the blank with correct word

Psychology

Who were the "termites"?

What will be an ideal response?

Psychology