By Weight, Which Element Is the Most Plentiful in the Human

question 95

Multiple Choice

By weight, which element is the most plentiful in the human body?

• A) sulfur
• B) sodium
• C) oxygen
• D) potassium
• E) carbon

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Definitions:

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull that houses the pituitary gland.

Sphenoid Bone

A butterfly-shaped bone at the base of the skull that is connected to all other skull bones.

Hyoid

A U-shaped bone in the neck that supports the tongue and provides attachment for muscles associated with swallowing.

Crista Galli

A vertical protrusion of the ethmoid bone in the brain that serves as an attachment point for the falx cerebri, a membrane that divides the two cerebral hemispheres.