During the stage of the general adaptation syndrome, intense arousal occurs as the body mobilizes internal physical resources to meet the demands of the stress-producing event.

During the alarm stage of the general adaptation syndrome, intense arousal occurs as the body mobilizes internal physical resources to meet the demands of the stress-producing event. 

General adaptation syndrome consist 3 stage progression of physical changes: alarm, resistance and exhaustion stage.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass