By Around _____ Month(s) of Age, Babies Generally Become Truly

question 67

Multiple Choice

By around _____ month(s) of age, babies generally become truly attached to their mothers, crawling after her if they can, and forming attachments to other people shortly thereafter.

• A)one
• B)three
• C)five
• D)seven

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Definitions:

Myelin Sheath

A layer of fatty tissue surrounding the axons of some neurons that speeds up the transmission of electrical impulses.

Insulation

Material or substance used to prevent heat, sound, or electricity from escaping or entering.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's body to other neurons, muscles, or glands.

Sodium Channels

Protein channels in cell membranes that allow the passage of sodium ions into or out of the cell, playing critical roles in generating and transmitting nerve impulses.