An 18 month old baby and experiencing the world through senses is in Piaget's sensorimotor stage. The sensorimotor stage is the development of our senses such as, sense of sight, hearing, feeling, tasting and smelling. The sensorimotor stage is developed through 18 to 24 months of age.
"Healthy Eating"
Author: Unknown
www.helpguide.org/articles/healthy-eating/healthy-eating.htm
I think its thru blood cells im not sure though.
C. Methanol is a poisonous liquid alcohol known to cause blindness