This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.

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Answer
it contains the most glucose
Here are the correct letters for Table 6.1:
| statement | letter | | :---------------------------------- | :----- | | contains the least carbon dioxide | A | | contains the most glucose after a meal | G | | contains the least oxygen | J | | contains blood at the highest pressure | A |
Here's the explanation for each:
contains the least carbon dioxide: Blood releases carbon dioxide in the lungs. The blood returning from the lungs to the heart (pulmonary vein, not labeled) and then pumped into the aorta (A) has the lowest concentration of carbon dioxide. Your answer J is incorrect as J (pulmonary artery) carries deoxygenated blood rich in carbon dioxide to the lungs.
contains the most glucose after a meal: After a meal, digested glucose is absorbed from the gut. Vessel G is the hepatic portal vein, which carries this nutrient-rich blood directly from the gut to the liver. Therefore, it contains the most glucose. Your answer H is incorrect as H (hepatic vein) carries blood from the liver, where some glucose would have already been processed or stored.
contains the least oxygen: Blood becomes deoxygenated as it passes through the body tissues, supplying oxygen for respiration. This deoxygenated blood returns to the heart and is then pumped to the lungs via the pulmonary artery (J) to be re-oxygenated. Thus, J contains the least oxygen. Your answer A is incorrect as A (aorta) carries oxygenated blood from the heart to the body.
contains blood at the highest pressure: The highest blood pressure is generated by the powerful contraction of the left ventricle of the heart, which pumps blood into the aorta (A) to distribute it to the rest of the body. Your answer B is incorrect as B is a branch off the aorta, so the pressure in A would be marginally higher or equal to B.
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| statement | letter | | :---------------------------------- | :----- | | contains the least carbon dioxide | A | | contains the most glucose after a meal | G | | contains the least oxygen | J | | contains blood at the highest pressure | A | Here's th…
This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.