I will try to give you the best answer by completing your statement.
During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
The lever is a movable bar that pivots on a fulcrum attached to a fixed point. ... It shows that if the distance a from the fulcrum to where the input force is applied (point A) is greater than the distance b from fulcrum to where the output force is applied (point B), then the lever amplifies the input force.
pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
The answer should be a. training intensity
Personally I have not but I’ve practiced! And if I came across to a situation that a person needs cpr I would do the assessment, size up the scene, tap shout tap, call 911, check pulse and watch the chest rise and if it doesn’t rise the start the cpr, call someone near to grab an aed if necessary and available to you. And since I’m certified I would definitely be up to the task
