Option C. It builds up a higher level of oxygen in the blood.
At rest, the heart pumps out about 5,000mL/min of blood. This is called the cardiac output. One can say that, at rest, the total systemic blood flow throughout the body is about 5L/min. At the extreme level of activity the heart pumps much harder and faster and is usually able to quintuple its output to about 25L/min of blood flow. This amount applies to the right side of the heart, which pumps blood to the lungs so it can pick up oxygen and drop off Carbon dioxide, and the left side of the heart that pumps it to the rest of the organs and tissues of the body.
Answer:
She seems disconnected from her real-world peers.
Explanation:
An indicator that Ava has been spending too much time online is that she seems disconnected from her real-world peers. Volunteering at an animal shelter, taking an online class, or contacting a distant cousin would all be good things. Those are just some advantages of the internet. However, spending too much time online is not good. As long as we are able to control ourselves and maintain good relationships with our real-world peers, spending time online is alright, but many people have become disconnected from the real world.
Breathing can be represented in this way that show the inflation of the lungs
the answer is social skills :)