As such there is no study that defines the base of toddler and infant curriculum. The basic aim is to cater to the needs of the preschoolers. They are tender and their minds are yet to grow and develop. So, on the basis of this notion there is as such no curriculum but yes the content is kept extremely simple and easy for the toddlers.
Insulin is a substance that protects, coats, and insulates neurons, helping connect impulses from one neuron to another.