When You Are Jogging, Your Muscles Are Using More Oxygen

question 32

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) The concentration of bicarbonate ions HCO₃^- ) in the blood would decrease.
• B) Blood pH would increase by at least 1 pH unit.
• C) The medullary respiratory center would increase the rate of breathing.
• D) All of the above answers apply.

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Definitions:

Frequency

The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.

Hue

A specific shade of a color perceived by the eye, determined by its wavelength of light.

Timbre

The quality of a musical note, sound, or tone that distinguishes different types of sound production, such as voices or musical instruments.

Opponent-Process Theory

A psychological and neurological model that explains how the perception of colors is controlled by the operation of opposing neural systems.