Answer:
Step-by-step explanation:
The muscular system and the respiratory system work together to support breathing. The diaphragm, which is a large muscle located at the bottom of the chest cavity, contracts and relaxes to create changes in the pressure within the chest. This movement helps to draw air into the lungs and then expel it during exhalation. Additionally, the muscles between the ribs, known as intercostal muscles, help to expand and contract the chest cavity during breathing. So, the muscular system and the respiratory system are interdependent, and they work together to support breathing and provide oxygen to the body.