Partial or complete blindness depending on severity.
Rods work very well in darkness/ low light. Cones process colors.
Answer: negatively; electron.
In a chemical bond, proton and neutron didn't take action since they are located in the middle(nucleus) of the atom. The electron which on the outer side of an atom can interact with another electron from an other atom/molecule. Electron has negative charge, while proton is positive and neutron is neutral.
Bones support the body and give it shape. Bones such as the rib cage and the cranium protect vital organs. Bones provide anchor points for muscles, allowing the body to move. Blood cells are produced in the marrow of long bones.
Google is your friend here. Do some research.