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>
Answer:
It is being personified, and it helps you see its smiling
Explanation:
Answer:
As a Chinese girl living in late 19th century Atlanta, Ga., Jo Kuan constantly struggles to remain invisible. She was born in America but can't be a citizen or even rent a proper apartment, so she lives in a former abolitionist's hidden tunnels, secreted away underneath a newspaper office.
Explanation:
