? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • ? c?u • c?uBy attaching to the decrease ribs, the costal Element of the diaphragm makes sure that the thorac