Many People "Talk with Their Hands" When They Speak

question 147

Multiple Choice

Many people "talk with their hands" when they speak. Why?

• A)Hand movement is necessary for speech.
• B)There is a mirroring of movement with speech function.
• C)Wernicke's area is connected to the motor cortex.
• D)Broca's area is involved with both language and motor movement.
• E)Both are under right hemisphere control.

---

Definitions:

NaOH

Sodium Hydroxide, a strong base used in chemical manufacturing, paper making, and as a drain cleaner.

HCl

Hydrochloric acid, a diatomic molecule consisting of hydrogen and chlorine; a strong, corrosive acid commonly used in a variety of industrial and laboratory processes.

Molality

A metric indicating the amount of solute per unit weight of solvent, calculated in moles of solute per kilogram of solvent.

Molarity

The quantification of how much solute is present in a solution, represented by moles of solute per liter of solution.