Uhm to be honest..
All types of exercise ask for oxygen to produce energy... so this is a bit confusing but it would be easier with answer choices:/
anyways have a good one:)
His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
C - The benefits of taking placebos
