Acuta Crus' Insides, Skeletal system, and muscular systems.

⚪️ Skeletal system
🟡 Lungs
🔴 Digestive track
🟤 Muscular system
🔵 Shell
I'm not well up to date on my animal skeletal systems and innerworkings, but i hope this is accurate enough.
They use the muscles at the top of their bone exo-jaws to excrete force onto the jaw, allowing the bite to happen.

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