I think it’s C, the brain.
Answer:
Yes
Explanation:
When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide. To cope with this extra demand, your breathing has to increase from about 15 times a minute (12 litres of air) when you are resting, up to about 40–60 times a minute (100 litres of air) during exercise.
Answer:
B.
Explanation:
The placenta is a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
You would expect to find a report of the number of fatalities or catastrophes at the workplace in this report.
<span><span>- advanced degree
</span>Sports physicians have to perform
complex diagnoses of injuries and problems. They also may be required to
perform surgery during the course of treatment. These responsibilities
require extensive knowledge and practice.</span>
