a neurotransmitter is a signalling molecule that is created and released by neurones and neurotransmitter travel across the synapse
a neuron is a specialised cell that transmits electrical impulses in the nervouse system
Explanation:
essentially neurotransmitter are just made by neurones, when a neurotransmitter signals another neuron this is what causes this such as muscle movement
Xerophthalmia is a progressive eye disease caused by vitamin A deficiency. Lack of vitamin A can dry out your tear ducts and eyes. Xerophthalmia can develop into night blindness or more serious damage to your cornea, the outer layer of your eye.
