Answer:
retina
Explanation:
retina: The thin layer of cells at the back of the eyeball where light is converted into neural signals sent to the brain. photoreceptor: A specialized neuron able to detect and react to light.
Answer:
Sorry I didn't understand the question
Answer:Some common synonyms of busy are assiduous, diligent, industrious, and sedulous. While all these words mean "actively engaged or occupied," busy chiefly stresses activity as opposed to idleness or leisure.
