What are the parts of this sensory system (example: smell has olfactory bulbs; vision includes the retina and rods and cones)? I chose vision what does this mean it's for a paper give me 2-3 sentences.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.