The Fact That the Ability to Control One's Head Develops

question 30

Short Answer

The fact that the ability to control one's head develops before the ability to control one's legs illustrates the _____ principle.

---

Definitions:

Tobacco Usage

The act of consuming tobacco products, including smoking cigarettes, cigars, or using smokeless tobacco products.

Subjective Pain

Pain that is felt by the sufferer and reported, but may not be measurable or observable by others.

Chronic Malignant

Chronic malignant describes a condition or disease that is both long-lasting (chronic) and characterized by the presence of cancerous cells.

Chronic Nonmalignant

A condition or disease that is persistent and long-lasting in its effects but not cancerous.