Circulatory and digestive
Skeletal and digestive
Respiratory and muscular
Digestive and nervous
Circulatory and muscular
Digestive and respiratory
Respiratory and circulatory
Circulatory and nervous
Nervous and muscular
Muscular and digestive
Respiratory and digestive
Circulatory and skeletal
Blood, oxygen, and food are pumped to the muscles
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
Brain regulates heart rate and blood pressure
digestive system sends messages to brain when your hungry or full
Blood brings important nutrients from food (like calcium) to the bones
Nutrients from food are provided for bones (calcium for strong bones)
Diaphragm, an involuntary muscle, forces breath in and out
muscles of the respiratory system need energy from digested food in order to function
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.
When there is a tear or injury in muscle nerves send messages to the brain
The liver removes waste products from the blood
Muscles of the digestive system need oxygen to function
