![Before Agriculture, Human Jaws Were a Perfect Fit for Human Teeth | Smart News| Smithsonian Magazine Before Agriculture, Human Jaws Were a Perfect Fit for Human Teeth | Smart News| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/ZlZcUdfpmpmb7gKL2LUmAO5Rw1M=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/7c/fc/7cfc5c35-dedc-4f93-90aa-1ac9709fd88f/jaw_42-17048259.jpg)
Before Agriculture, Human Jaws Were a Perfect Fit for Human Teeth | Smart News| Smithsonian Magazine
![Located over the mandibular ramus, this muscle closes the jaw: A) buccinator B) risorius C) masseter D) epicranius, frontal belly | Homework.Study.com Located over the mandibular ramus, this muscle closes the jaw: A) buccinator B) risorius C) masseter D) epicranius, frontal belly | Homework.Study.com](https://homework.study.com/cimages/multimages/16/mastication_muscles6572823595204883001.jpg)
Located over the mandibular ramus, this muscle closes the jaw: A) buccinator B) risorius C) masseter D) epicranius, frontal belly | Homework.Study.com
![Trumpeter Swan preening, Cygnus buccinator available as Framed Prints, Photos, Wall Art and Photo Gifts Trumpeter Swan preening, Cygnus buccinator available as Framed Prints, Photos, Wall Art and Photo Gifts](https://www.danitadelimontprints.com/p/467/trumpeter-swan-preening-cygnus-buccinator-13985604.jpg.webp)