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- There are various triangles of the neck, largely divided by the sternocleidomastoid muscle to form anterior and posterior triangles. Some triangles are more 'important' that others, and this simpli...

- http://www.facebook.com/ArmandoHasudungan

- Fantastic hand-drawn tutorial covering the basics of the immune system.

- The basics of the immune system.

- https://www.facebook.com/ArmandoHasudungan Support me: http://www.patreon.com/armando Instagram: http://instagram.com/armandohasudungan Twitter: https://twit...

- https://www.facebook.com/ArmandoHasudungan Support me: http://www.patreon.com/armando Instagram: http://instagram.com/armandohasudungan Twitter: https://twit...

- https://www.facebook.com/ArmandoHasudungan Support me: http://www.patreon.com/armando Instagram: http://instagram.com/armandohasudungan Twitter: https://twit...