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Respiration System | Human Respiratory Anatomy Explained 🫁✨

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The face receives its blood supply mainly from branches of the External Carotid Artery, which deliver oxygen and nutrients to the skin, muscles, teeth, and facial structures.
Major Facial Arteries:
• Maxillary Artery – Supplies the jaw, teeth, and deep facial muscles.
• Infraorbital Artery – Supplies the upper lip, nose, and lower eyelid.
• Superior Alveolar Arteries – Supply the upper teeth and gums.
• Inferior Alveolar Artery – Supplies the lower teeth and mandible.
• Mental Artery – Supplies the chin and lower lip.
• Superficial Temporal Artery – Supplies the temple and scalp.
• Sphenopalatine Artery – Supplies the nasal cavity.
⭐ Key Point:
Most of the blood supply to the face, teeth, and jaw comes from branches of the External Carotid Artery.

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