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Mars2501 [29]
3 years ago
12

Which of the following statements is true?

Biology
2 answers:
krok68 [10]3 years ago
8 0
The answer would be B
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

A

Explanation:

im smart

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9. Which is the pathway of oxygen from lungs into the body tissues?
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Answer:

The pathway of oxygen from lungs to the body tissues is alveoli → red blood cells → blood vessels → tissues (option b).

Explanation:

The oxygen (O₂) required by the tissues comes from the air inspired by the respiratory system. The pathway of entry of O₂ to the body and tissues is:

  1. O₂ from the air reaches the lungs.
  2. In the pulmonary alveoli, gas exchange occurs, that is, O₂ passes into the blood capillaries and is captured by the red blood cells, while CO₂ is released and passes into the alveoli to be eliminated.
  3. O₂ in the red blood cells travels through the blood vessels.
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Tissue oxygenation depends on the integrity of the respiratory and circulatory systems.

<em>     The other options do not show the correct order in which the oxygen travels from the alveoli to the tissues.</em>

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