Question

multiple select question select all that apply which of these respiratory muscles depress the ribs during forced exhalations? more than one answer may be correct. internal intercostals external intercostals transversus thoracis serratus posterior superior serratus posterior inferior need help? review these concept resources. read about the concept assignment resources

Explanation:

The internal intercostals and transversus thoracis muscles depress the ribs during forced exhalations. The external intercostals elevate the ribs during inhalation, and the serratus posterior superior and serratus posterior inferior are not the primary muscles for rib - depression during forced exhalation.

Answer:

internal intercostals, transversus thoracis