Question

select the best choice within each drop - down to complete the explanation for how two body systems interact in order for the eye to carry out the function of responding to light. the retina and the light receptors within it are part of the system. the function of this system is to receive and send information to various parts of the organism (body). the retina in the eye senses a signal to the via the optic nerve. this signal is processed and a new signal is returned to the eye. the parts of the iris that control the size of the pupil are part of the system. the iris constricts or dilates depending on the amount of light sensed by the retina.

Explanation:

La retina y los receptores de luz son parte del sistema nervioso, ya que su función es recibir e enviar información. El nervio óptico envía señales del ojo al cerebro. Las partes del iris que controlan la dilatación y contracción del pupila son parte del sistema muscular. La iris reacciona a la cantidad de luz detectada por la retina.

Answer:

nervous; cerebro; muscular; cantidad