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)
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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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
Expert Solution
Step 1
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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