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Oxygen and carbon dioxide transport in the blood
Introduction:
Blood receives oxygen from air in the lungs and provides it to body cells at the same time blood absorbs carbon dioxide from cells and releases it into lungs. The exchange of gases occurs because the concentration gradient favors it.
To determine:
The source and destination of oxygen and carbon dioxide and also determine the physiological process that makes gas exchange necessary.
Introduction:
The exchange of gases occurs because the concentration gradient favors it. In lungs the oxygen concentration is high and carbon dioxide is low, whereas in cells the concentration of oxygen is low and carbon dioxide is high.
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Chapter 34 Solutions
Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
- List the three ways in which carbon dioxide is transported in the plasma.arrow_forwardGraph the relationship between hemoglobin–O2 saturation and the partial pressure of O2 in the blood. What is the functional significance of the shape of the O2–hemoglobin dissociation curve? What factors affect the shape of the curve?arrow_forwardName the vessels (in the correct sequence) that CO2 travels in during transport. Describe what happens to CO2 during external respiration. Which structures does it cross? What is the pathway of CO2 in ventilation? How is it different from the pathway that oxygen takes?arrow_forward
- Describe the partial pressures that are relevant to gas exchange.arrow_forwardExplain in detail how the cardiovascular and respiratory systems work together to allow the exchange and transport of respiratory gasses throughout the body.arrow_forwardThe diffusion coefficient of a gas is a constant and is not affected by disease states or treatment options. In contrast the other factors that determine gas diffusion through the respiratory membrane is affected by changes.Name the factors that can cause an increase in the diffusion rate through the respiratory membrane and provide detailed examples of conditions that will cause this increase.arrow_forward
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