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The main organs of the human respiratory system are the lungs. The lungs are inside the rib cage. Front view of a lungs dissection with trachea and the bronchial tree
The ribs constitute the rib cage that protects the internal organs of the thorax
Human skull, side view
The bones of the legs of a human body

Child in X-rays to see the bones of the body coloring page


More Human body coloring pages