Inside Out: 5 Human Anatomy Marvels! What is the body's largest organ, responsible for protection and temperature regulation? Liver Heart Skin Lungs None Which organ is responsible for filtering and cleaning blood, removing toxins from the body? Liver Kidneys Pancreas Spleen None What is the main function of the heart within the circulatory system? Oxygenation of blood Digestion of food Filtration of toxins Regulation of body temperature None Which system is responsible for supporting and protecting the body's framework? Nervous system Muscular system Skeletal system Endocrine system None What is the primary function of the respiratory system? Digestion Circulation Breathing and gas exchange Waste elimination None Time's up Most Popular Most Popular
