Answer:
Breathing is affected in higher altitudes for several reasons. One is that there is less oxygen. This makes it so less oxygen gets into your lungs. Another reason is that the air becomes cooler and drier. This can affect asthma.
Explanation:
D. It will inhibit the citric acid cycle and oxidative phosphorylation.
A condition marked by pain in the throat, typically caused by inflammation due to a cold or other virus!
Your brain is impacted by exercise because you usually have a goal, it helps you practice more about reaching your goals. (You can write in more detail about that.) I can't think of anymore...