How Many Neurons Does a 2-Year-Old Toddler's Brain Contain

question 178

Multiple Choice

How many neurons does a 2-year-old toddler's brain contain?

• A)twice as many as at birth
• B)four times as many as at birth
• C)half as many as at birth
• D)the same total number of neurons present at birth

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Definitions:

Right-Lower Quadrant

An area of the abdomen that contains parts of the small and large intestines, right ovary and fallopian tube in women, and the appendix.

Parathyroid Hormone

A hormone produced by the parathyroid glands that helps regulate calcium levels in the bloodstream and bone metabolism.

Negative Feedback

A regulatory mechanism in which a stimulus causes an opposing output in order to maintain an ideal level of whatever is being regulated.

Calcium Ion

A vital mineral in the body, serving important roles in cellular signalling, muscle function, and bone health.