The Most Abundant Bulk Elements That Make Up the Vast

question 10

Multiple Choice

The most abundant bulk elements that make up the vast majority of living organisms are

• A) carbon, hydrogen, oxygen, and calcium.
• B) carbon, oxygen, iron, and chlorine.
• C) carbon, hydrogen, iron, and calcium.
• D) carbon, hydrogen, oxygen, and nitrogen.
• E) carbon, oxygen, sulfur, and calcium.

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Definitions:

Endocrine Gland

Ductless gland; aggregation of hormone-secreting epithelial cells with associated connective tissue and blood vessels.

Pancreas

A glandular organ in the digestive and endocrine systems of vertebrates that produces enzymes for digestion and hormones such as insulin for blood sugar regulation.

Anterior Pituitary

The front portion of the pituitary gland, producing and secreting various hormones that regulate several physiological processes including growth, reproduction, and metabolism.

Hypothalamus

A region of the brain responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system, including temperature control, hunger, and thirst.