The Term Substance Should Be Used For

question 4

Multiple Choice

The term substance should be used for:

• A)chemical elements
• B)compounds
• C)both chemical elements and compounds
• D)chemical elements,compounds,and mixtures
• E)any mixture

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Definitions:

Hemoglobin

A component of red blood cells, tasked with ferrying oxygen from the lungs to various bodily locations.

Plasma

The liquid component of blood in which the blood cells are suspended, consisting mainly of water, proteins, and salts.

Residual Volume

The amount of air remaining in the lungs after a forceful exhalation, ensuring that gas exchange continues even between breaths.

Trachea

The windpipe; a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs.