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Preschoolers Do Not Have an Understanding of Conservation of Liquid

question 191

True/False

Preschoolers do not have an understanding of conservation of liquid or mass.


Definitions:

Hemolymph

A fluid equivalent to blood in most invertebrates, occupying the hemocoel and performing similar functions such as nutrient transport and waste removal.

Globulin

One of a class of proteins in blood plasma, some of which (gamma globulins) function as antibodies

Erythropoietin

A peptide hormone secreted mainly by kidney cells; stimulates red blood cell production.

Circulatory System

The body system that transports nutrients, oxygen, carbon dioxide, hormones, and blood cells to and from cells in the body to nourish it and help fight diseases.

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