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Complete the following objectives: • Describe the direction of gas movement at the lungs and at the tissues: o Include partial pressure gradients of gasses in the alveoli and in the blood near the lungs (at the arterial & venous end) o Include partial pressure gradients of gasses in the tissue fluid and in the blood near the tissues (at the arterial and venous end) • Describe how gas is transported in the blood: o Include all methods of oxygen transport o Include all methods of carbon dioxide transport - Describe the Haldane Effect - Describe how the transport of carbon dioxide via bicarbonate ions affects the pH - Describe the Oxygen-Hemoglobin Dissociation Curve - Describe how the Bohr Effect and Temperature affect the curve

Complete the following objectives: • Describe the direction of gas movement at the lungs and at the tissues: o Include partial pressure gradients of gasses in the alveoli and in the blood near the lungs (at the arterial & venous end) o Include partial pressure gradients of gasses in the tissue fluid and in the blood near the tissues (at the arterial and venous end) • Describe how gas is transported in the blood: o Include all methods of oxygen transport o Include all methods of carbon dioxide transport - Describe the Haldane Effect - Describe how the transport of carbon dioxide via bicarbonate ions affects the pH - Describe the Oxygen-Hemoglobin Dissociation Curve - Describe how the Bohr Effect and Temperature affect the curve

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Assignment Complete the following objectives: Describe the direction of gas movement at the lungs and at the tissues: o Include partial pressure gradients of gasses in the alveoli and in the blood near the lungs (at the arterial & venous end) o Include partial pressure gradients of gasses in the tissue fluid and in the blood near the tissues (at the arterial and venous end) • Describe how gas is transported in the blood: o Include all methods of oxygen transport o Include all methods of carbon dioxide transport - Describe the Haldane Effect - Describe how the transport of carbon dioxide via bicarbonate ions affects the pH - Describe the Oxygen-Hemoglobin Dissociation Curve - Describe how the Bohr Effect and Temperature affect the curve SIDE NOTE: Describe is defined as "give an
Transcribed Image Text:Assignment Complete the following objectives: Describe the direction of gas movement at the lungs and at the tissues: o Include partial pressure gradients of gasses in the alveoli and in the blood near the lungs (at the arterial & venous end) o Include partial pressure gradients of gasses in the tissue fluid and in the blood near the tissues (at the arterial and venous end) • Describe how gas is transported in the blood: o Include all methods of oxygen transport o Include all methods of carbon dioxide transport - Describe the Haldane Effect - Describe how the transport of carbon dioxide via bicarbonate ions affects the pH - Describe the Oxygen-Hemoglobin Dissociation Curve - Describe how the Bohr Effect and Temperature affect the curve SIDE NOTE: Describe is defined as "give an
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Gas movement at lungs:-

All pressure given below is in mm of Hg.

Gas Tissue At alveoli Oxygenated blood Deoxygenated blood
O2 [PO2]= 40 [Po2]=104 [PO2]=95 [PO2]=40
CO2 [PCO2]=45 [PCO2]=40 [PCO2]=40 [PCO2]=45

In alveolar air, the partial pressure of CO2 is 40 mm of Hg and its value in deoxygenated blood is 45 mm of Hg. So, CO2 moves from the venous end to the alveoli and O2 from the alveoli to the arterial end according to the above pressure gradient.

Gas movement at tissue:-

At tissue, oxygen moves from arterial end to tissue and CO2 from tissue to venous end.

 

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