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Specialization of Cells

question 145

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Specialization of cells:


Definitions:

Placenta

A structure that forms in the uterus while pregnant, which supplies the fetus with oxygen and nourishment while eliminating its waste.

Developing Organism

refers to an organism in the stages of growth and development, from conception through to maturity.

Amnion

A thin, tough, transparent membrane that holds the amniotic fluid and surrounds the embryo.

Fluid

In a physical context, a substance that has no fixed shape and yields easily to external pressure; in a cognitive context, it refers to the capacity to think abstractly and reason adaptively.

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