Archive for the ‘Biology’ Category
What takes place in the human body when the heart rate increases because of exercising?
Saturday, November 21st, 2009As you exercise intensely, your body temperature increases slightly.How this affect process of diffusion?
Wednesday, November 11th, 2009BABEZZZZ asked:
Your lungs are constantly exchanging oxygen and carbon dioxide between your body cells and your blood cells by diffusion. As you exercise intensely, your body temperature increases slightly. How does this affect the process of diffusion?
Your lungs are constantly exchanging oxygen and carbon dioxide between your body cells and your blood cells by diffusion. As you exercise intensely, your body temperature increases slightly. How does this affect the process of diffusion?
A. The rate of diffusion increases due to your slightly higher body temperature.
B. The rate of diffusion decreases due to your slightly higher body temperature.
C. The rate of diffusion is unaffected by changes in temperature.
D. Diffusion stops completely during periods of over-exertion.
Which of the following would normalize the increase in pH due to strenuous exercise?
Sunday, November 8th, 2009joshlee asked:
a. decrease in breathing rate
b. increase in heart rate
c. decrease in amount of oxygen unloaded from hemoglobin
d. decrease in cardiac output
e. decrease in CO2 binding to hemoglobin
a. decrease in breathing rate
b. increase in heart rate
c. decrease in amount of oxygen unloaded from hemoglobin
d. decrease in cardiac output
e. decrease in CO2 binding to hemoglobin
Is “c” or “e” possible? Anything to do with Haldane Effect?
Please explain the correct and incorrect choices. Thank you so much.
josh












