When You Are Jogging, Your Muscles Are Using More Oxygen

question 9

Multiple Choice

When you are jogging, your muscles are using more oxygen and releasing more carbon dioxide into the blood than when you are at home on the couch. Which of the following would occur during your jog?

• A) Blood pH would become more basic.
• B) The concentration of bicarbonate ions (HCO3−) in the blood would decrease.
• C) The medullary respiratory center would detect rising carbon dioxide levels.
• D) The volume of the dead air space would decrease.

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Definitions:

Organic-rich Black Shale

Sedimentary rocks that contain high amounts of organic matter, typically appearing dark in color, and are potentially sources of fossil fuels.

Silica-rich Creatures

Marine organisms that have skeletons made primarily of silica, such as diatoms and certain types of sponges.

Gradational Boundaries

Transition zones where different geological formations or ecosystems meet and blend without a clear-cut separation.

Sedimentary Rock

Rock formed by the deposition of material at the Earth's surface and within bodies of water, characterized by distinct layers.