BRAIN EYES HEART Nerve signals warn the rest The pupils Adrenalin and noradrenalin of the body. The brain als expand The increase the heart rate releases hormones that person gets activate the adrenal gland tunnel vision LUNGS The bronchi relax and ADRENAL MEDULLA more air can flow into the produces and lungs. Respiration rate secretes adrenalin and noradrenalin ADRENAL CORTEX produces and secretes MUSCLE TISSUE cortisol The blood flow to the muscles increases adrenal and they contract medulla cortisol renal LIVER noradrenalin produces sugar that is released adrenal into the They STOMACH AND INTESTINES FAT CELLS The blood flow to the digestive release fatty system is decreased acids into the http://www.nobelprize.org/nobelprizes/chemistry/laureates/2012/ bloodstream popular-chemistryprize2012. pdfhttp://www.nobelprize.org/nobel_prizes/chemistry/laureates/2012/ popular-chemistryprize2012.pdf