KIN 3306 - Exam 3 Study Guide.

KIN 3306 - Exam 3 Study Guide/KIN 3306 - Exam 3 Study Guide. Section 1 Material Bioenergetics, Metabolism, Endocrinology - Know the definition of homeostasis o Maintenance of a relatively constant internal environment @ rest. - Know the laws of thermodynamics o 1st: Energy is never created nor destroyed. Example: Digestion of food into GI tract that goes through metabolic processes in the skeletal muscle to form ATP. o 2nd: All physical processes lead to an increase in entropy. Example: Energy taken in by humans is 25% ATP which is in order and the other 75% is lost to entropy, or heat and disorder. Humans are metabolically inefficient. - Know what ATP, NADH, and FADH are/ are used for o ATP: source of energy for muscle contractions; high energy storage molecule in the body. Contracting skeletal muscle will split this bond, releasing free energy and allowing for contraction o NADH: