Test Your Knowledge: Physiology This quiz will challenge your understanding of various physiological processes in living organisms. Answer these 12 questions to test your knowledge! rihanna80 published on September 19 Stacked 1/12 Which organ system is responsible for circulating blood throughout the body? Digestive System Circulatory System Respiratory System 2/12 What is the primary function of the respiratory system? Producing hormones Gas exchange Digesting food 3/12 Which part of the brain controls balance and coordination? Cerebellum Frontal Lobe Brain Stem 4/12 What is the function of red blood cells in the body? Transporting oxygen Digesting food Filtering waste 5/12 Which hormone regulates blood sugar levels in the human body? Insulin Adrenaline Estrogen 6/12 What is the main function of the kidneys? Regulating body temperature Filtering waste from blood Producing bile 7/12 Which of the following is not a function of the skin? Regulating body temperature Regulating blood sugar levels Protection from pathogens 8/12 What is the purpose of the digestive system? Breathing oxygen Breaking down food for nutrients Pumping blood 9/12 Which of the following is a function of the liver? Producing bile Regulating heart rate Producing insulin 10/12 What is the purpose of the endocrine system? Filtering blood Regulating hormones Generating energy 11/12 Which organ is responsible for detoxifying harmful substances in the body? Pancreas Kidney Liver 12/12 What is the main function of muscles in the body? Producing bile Creating energy Facilitating movement