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.

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

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:

took test

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)