Matching Pairs Body System Interactions Part IV - FlashcardsOnline version Body System Interactions Part IV - Flashcards by Benjamin D Morgan 1 Respiratory and muscular 2 Digestive and nervous 3 Digestive and respiratory 4 Respiratory and digestive 5 Circulatory and skeletal 6 Muscular and digestive 7 Respiratory and circulatory 8 Circulatory and nervous 9 Nervous and muscular 10 Skeletal and digestive 11 Circulatory and digestive 12 Circulatory and muscular When there is a tear or injury in muscle nerves send messages to the brain The liver removes waste products from the blood Muscles in the jaw help the teeth grind the food, and the involuntary smooth muscles of the stomach breaks down the food. Food and nutrients in blood give energy to the muscles muscles of the respiratory system need energy from digested food in order to function Blood, oxygen, and food are pumped to the muscles Oxygenated blood is pumped through the heart and then circulated through cells. Red blood cells move oxygen and carbon dioxide through the blood. Alveoli exchange gas with capillaries. digestive system sends messages to brain when your hungry or full Muscles of the digestive system need oxygen to function Diaphragm, an involuntary muscle, forces breath in and out Blood brings important nutrients from food (like calcium) to the bones Brain regulates heart rate and blood pressure Nutrients from food are provided for bones (calcium for strong bones)