Kristen is running a half marathon. By her tenth minute of running, her breathing rate has increased from her resting rate.Which statement best describes how her tissues are responding to her running?

A.They need more oxygen to function, so gas exchange needs to decrease.

B.They need more oxygen to function, so gas exchange needs to increase.

C.They need more carbon dioxide to function, so gas exchange needs to increase.

D.They need more carbon dioxide to function, so gas exchange needs to decrease.

Answers

Answer 1

Answer:

Option B, "They need more oxygen to function, so gas exchange needs to increase. "

Answer 2

Answer:

Answer:Kristen is running a half marathon. By her tenth minute of running, her breathing rate has increased from her resting rate.

Which statement best describes how her tissues are responding to her running?

They need more oxygen to function, so gas exchange needs to decrease.

They need more oxygen to function, so gas exchange needs to increase.**

They need more carbon dioxide to function, so gas exchange needs to increase.

They need more carbon dioxide to function, so gas exchange needs to decrease.

Explanation:

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Flowers are reproductive structures in charge of the plant's sexual reproduction.

There are feminine and masculine reproductive structures.

The masculine structures include stamens, which are composed of anthers and filaments.

The anther produces pollen grains of male sex cells.

The filament provides support to the anther.

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So these anthers are more accessible for different agents.

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As the anther is more exposed, the wind can transport pollen easier.

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Make connections: How might having the anther atop a tall filament make it more likely that plants will be pollinated? It gets the pollen grains up higher. That makes it more likely that a visiting insect will pick them up.4. ... When the pollen forms on the stamen, the pistils are not ready to receive it.

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