Test Your Physiology Knowledge This quiz will test your understanding of human body functions and processes. Answer these 10 questions to see how well you know physiology! michelle published on June 14 Stacked 1/10 Which organ is responsible for pumping blood throughout the body? Brain Heart Lungs Kidneys 2/10 What is the normal resting heart rate for adults? 60-80 beats per minute 40-60 beats per minute 100-120 beats per minute 20-30 beats per minute 3/10 Where does gas exchange occur in the human body? Alveoli Liver Stomach Pancreas 4/10 Which hormone is responsible for regulating blood sugar levels? Insulin Cortisol Adrenaline Thyroxine 5/10 What is the primary function of the kidneys? Regulating body temperature Filtering waste from the blood Producing bile Digesting food 6/10 In which organ does digestion primarily occur? Stomach Small Intestine Liver Pancreas 7/10 Which vitamin is synthesized by the skin when exposed to sunlight? Vitamin C Vitamin A Vitamin D Vitamin K 8/10 What is the largest organ of the human body? Heart Brain Skin Liver 9/10 Which of the following is not a function of the respiratory system? Oxygenation of blood Regulation of blood pressure Removal of carbon dioxide Voice production 10/10 What is the main function of red blood cells? Clotting blood Carrying oxygen Digesting food Producing bile