Although There Are Developmental Differences in Timing,most Children Learn to Walk

question 85

Multiple Choice

Although there are developmental differences in timing,most children learn to walk and talk at a similar age.This is an example of

• A)heredity.
• B)environmental influences.
• C)maturation.
• D)a critical period.

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Definitions:

Primary Ossification

The initial phase of bone formation in embryos and young organisms where cartilage is replaced by bone.

Secondary Ossification

The phase of bone development that occurs after birth, where bone tissue is formed in the epiphyses of long bones, leading to growth in length.

Medullary Cavity

A central cavity of bone shafts where red and/or yellow marrow is stored.

Compact Bone

Type of bone that contains osteons consisting of concentric layers of matrix and osteocytes in lacunae.