Because the more someone exerts themselves the more oxygen and carbon dioxide out put ratio is greater. The more you run and the faster you run the more oxygen you loose which is supplied to your muscles including your lungs.
Hey there!
Biomechanics studies the Movement of the human body
So this means that: MOVEMENT is most likely your answer
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)
All except the one about teenagers apply
Your answer would be water 60% fat 20% carbohydrates and proteins 20%
It is an example of behavior boundaries,
