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_____________ Research Does Not Attempt to Explain How or Why

question 26

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_____________ research does not attempt to explain how or why something happened,but instead it is an opportunity to present observations about the characteristics of the subject.


Definitions:

Downy Hair

Fine, soft hair found on the body, often covering the skin of infants and adults.

Trophoblast

The outer layer of cells surrounding a blastocyst in early development, which contributes to the placenta and provides nutrients to the embryo.

HCG

Human chorionic gonadotropin (HCG) is a hormone produced by the placenta after implantation.

Neural Tube

The embryonic precursor to the central nervous system, which includes the brain and spinal cord, formed from the folding and closure of a flat sheet of cells in the early embryo.

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