I believe it’s A. Birth control patch
The brain stem which is composed of the Pons, The Medulla, and the Midbrain serve a very vital function... They control the functions that keep you alive; Heart Rate, Respiratory Rate, Breathing input and output, Blood pressure, as well a vasomotor functions. So taking this into account, an injury to the brain stem is extremely bad, as that can and will most definitely be very lethal.
Answer: The motivation to exercise has to do mostly with how you think about exercise.
<span>Anaerobic is the kind of</span> exercise that does not require the use of oxygen to metabolize energy. Anaerobic focuses more on muscle strength exercises such as lifting. Though it requires energy still it can be performed with less air.