13. (a)
(i) Name the blood vessel that returns blood to the heart from the lungs - Leaving Cert Biology - Question 13 - 2007
Question 13
13. (a)
(i) Name the blood vessel that returns blood to the heart from the lungs.
(ii) Name the main gas transported in the blood vessel that you have named in (i... show full transcript
Worked Solution & Example Answer:13. (a)
(i) Name the blood vessel that returns blood to the heart from the lungs - Leaving Cert Biology - Question 13 - 2007
Step 1
Name the blood vessel that returns blood to the heart from the lungs.
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Answer
The blood vessel that returns blood to the heart from the lungs is the pulmonary vein.
Step 2
Name the main gas transported in the blood vessel that you have named in (i).
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Answer
The main gas transported in the pulmonary vein is oxygen.
Step 3
How is this gas transported?
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Answer
Oxygen is transported in the blood primarily by hemoglobin. In red blood cells, oxygen binds to iron within the hemoglobin molecules to form oxyhemoglobin, which allows efficient transport of oxygen throughout the body.
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