Head and Heart

Note:

If you look just above the heart, it seems like you can look right through the chest.

Label Key:

• 1. forebrain
• 2. 1st pharyngeal arch (maxillary process)
• 3. mouth (stomodeum)
• 4. 1st pharyngeal arch (mandibular process)
• 5. auricular groove
• 6. 2nd pharyngeal arch
• 7. 3rd pharyngeal arch
• 8. chest wall
• 9. liver
• 10. heart
• 11. cervical sinus