How Is the Bulk of Carbon Dioxide Carried in Blood

question 30

Multiple Choice

How is the bulk of carbon dioxide carried in blood?

• A)chemically combined with the heme portion of hemoglobin
• B)as carbonic acid in the plasma
• C)chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells
• D)as the bicarbonate ion in the plasma after first entering the red blood cells

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Definitions:

Rain Shadow Effect

A meteorological phenomenon where mountains block the passage of rain-producing weather systems, creating a dry area on the leeward side.

Vegetation

Plants in general, or the plant life of a particular area, ecosystem, or period.

Windward Side

The side of a mountain or island that faces the direction from which the wind is coming, typically receiving more rain and having more lush vegetation than the leeward side.

Leeward Side

The side of an island, mountain, or other landmass that is sheltered from the prevailing wind, typically receiving less rain and having different climatic conditions than the windward side.