The diaphragm links the respiratory to the muscular system because it is made of ?
A. Hard muscle tissue that helps you breathe
B. Smooth muscle tissue that helps you breathe
C. Cardiac muscle tissue that helps you breathe
D. Skeletal muscle tissue that helps you breathe
The thoracic diaphragm, or simply the diaphragm is a sheet of internal skeletal muscle in humans . The superior surface of the dome forms the floor of the thoracic cavity, and the inferior surface the roof of the abdominal cavity.
