Question

the muscular structure that separate the thoracic cavity and abdominal cavity
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Answer 1

Answer:

Muscles of the lungs. The diaphragm is the main inspiratory muscle, and is made of a thin, flat musculotendinous structure which separates the thoracic cavity from the abdominal wall (Ratnovsky et al., 2008).

Answer 2

Answer:

Muscles of the lungs. The diaphragm is the main inspiratory muscle, and is made of a thin, flat musculotendinous structure which separates the thoracic cavity from the abdominal wall (Ratnovsky et al., 2008).