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The Opening Between the Right Atrium and Left Atrium in the Fetal

question 68

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The opening between the right atrium and left atrium in the fetal heart is the


Definitions:

Sperm Cells

Male reproductive cells, which contribute half of the genetic material necessary for fertilization of an ovum.

Threadlike Structure

Thin, elongated formations typically found in biological organisms, such as the strands of DNA or muscle fibers.

Chromosome

A threadlike structure made up of genes. In humans, there are 46 chromosomes in every cell except sperm and ova.

Mitosis

A type of cell division in eukaryotic cells that results in two genetically identical daughter cells from a single parent cell.

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