Headaches are often a sign of dehydration. When somebody stays out in the sun too long and starts getting dehydrated their head will start pounding because their is not enough water to keep you from thinking about being cooled down. So the answer would be dehydration.
Hope this helps!
Have a nice day!
Brush ur teeth daily and cut down on sugar
Bacteria should be it
you didnt include the multipule choice answers so this is a guess but it should be correct
About 83.3 ml of blood are pumped each hour
Answer:
A.) Perform moderate or vigorous physical activity throughout your life.
Explanation:
The ability to perform moderate to vigorous levels of physical activity without undue fatigue and the capability of maintaining such ability throughout life.