Gas exchange Describe the movement of oxygen and carbon dioxide during gas exchange. Multiple Choice Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells into the kidney nephrons. Both carbon dioxide and oxygen diffuse out of red blood cells and into the lungs. Carbon dioxide diffuses out of the lungs into red blood cells and oxygen diffuses out of red blood cells and into the lungs. Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells and into the lungs.
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Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Review how each gas is transported between the atmosphere and the cells of your body by completing this exercise. 1. required for cellular respiration 2. net diffusion from alveoli to lung capillaries 3. sometimes transported as bicarbonate 4. net diffusion from body tissues to blood 5. net diffusion from lung capillaries to alveoli 6. waste product of cellular respiration 7. enters alveoli during inhalation 8. transported by hemoglobin A. Oxygen only B. Carbon Dioxide Only C. Both Oxygen and carbon dioxide
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Which statements explain the gas exchange that happens at the alveoli? Check all that apply. **MULTIPLE ANSWERS** A) Carbon dioxide moves from the air in the alveoli to the blood. B) Carbon dioxide moves from the blood to the air in the alveoli. C) The capillaries that surround the alveoli exchange both carbon dioxide and oxygen. D) The capillaries that surround the alveoli exchange only oxygen. E) Oxygen is absorbed by the blood in the capillaries that surround the alveoli. F) Oxygen is the air we breathe out when we exhale.
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2. Gas exchange takes place by the physical process of diffusion. Use the diagram at right to describe where diffusion is occurring and what gases are diffusing. Identify and describe what type of respiration involves the lungs (A) and what type involves the tissue fluids (B). A: Respiration B: Respiration. Describe what is occurring, in terms of gaseous exchange, at C, D, E, and F. C: E: F: D:
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