Your brain knows that you have stubbed your toe because
a) dopamine transfers that information to the brain.
b) afferent nerves transfer that information to the brain.
c) glial cells transfer that information to the brain.
d) myelin sheaths transfer that information to the brain.

B) Is the correct answser because Afferent nerves transfer info to the brain.  

sensory nerves: nerves that carry information about the external environment to the brain and spinal cord via sensory receptors

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green

You need to re ask the question with proper