Answer:
hide the electrodes and wires under your clothes, and you can wear the recording device on your belt or attached to a strap. Once your monitoring begins, don't take the Holter monitor off you must wear it at all times, even while you sleep.
Explanation:
Their heart rates would be increased because of physical activity?
You need to store one gallon of water for each person :) Evacuating would be action, not preparation.
