muscular system

  • How Dogs Evolved to Be So Cute: More Human-Like Facial Muscles

    How Dogs Evolved to Be So Cute: More Human-Like Facial Muscles

    New preliminary data offers insight into why we may find dogs to be so darn loveable. A study found that dogs generally have faster facial muscles than wolves — muscles that allow them to quickly react with more expression, similar to humans. These same muscles may also help explain why dogs tend to bark, while…