Answer: Red blood cells carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.
Explanation:
Answer:
Tell the man to take a break and to eat or read a book. Don't go on any devices because it will distract him and cause more stress. He needs to tell himself that sometimes it's good to take a break and he already has amazing grades.
Explanation: