Answer:
what?
Explanation:
please explain this question, so people can help you.
Answer:
There is an increase in the number of breaths per minute as activity increases because:
As activity increases, the oxygen needs of cells increase.
Explanation:
<u>When we exercise, our muscles work harder than they do when our bodies are resting. For that reason, the muscle cells need more oxygen - think of oxygen as the fuel we consume; the more we move, the more fuel we need. To provide that extra oxygen the cells need so much, we begin to breathe faster. For that reason, the best option for the question above is: as activity increases, the oxygen needs of cells increase.</u>
What is the underlined word?
1. Brian, you need to work hard if you want to keep this job.
2. The old man, spent his days looking out the window, and his nights, sleeping.
3. "If you aren't willing to help", my sister said, "then please wait in the other room."
Homeless people should be able to use services. for examples: regular food donations, public restrooms, and camping facilities. it would help improve life for the citizans of the city