In a collision, a force acts upon an object for a given amount of time to change the object's velocity. The product of force and time is known as impulse. The product of mass â¦ and velocity change is known as momentum change. In a collision the impulse encountered by an object is equal to the momentum change it experiences.Impulse = Momentum Change.
In addition to the locus coeruleus existing as a source of the neurotransmitter norepinephrine within the central nervous system, the adrenal gland can also release norepinephrine during a stress response into the bodyâs blood stream, at which point norepinephrine acts as a hormone in the endocrine system.
Stressâa lot of stress, he said. When youâre stressed, your immune system drops to dangerously low levels. The stress hormone cortisol floods your body and wreaks havoc on everything from organs to emotions. Upon reflection, I realized I had always stacked my schedule with a child-like invincibility.