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    Male skeleton part with visible axis vertebrae, computer illustration. — Stock Photo
    Male skeleton part with visible axis vertebrae, computer illustration.
    Children in school with laptop — Stock Photo
    Children in school with laptop
    Student finger painting in class — Stock Photo
    Student finger painting in class
    Male feet silhouette with foot pain, digital illustration. — Stock Photo
    Male feet silhouette with foot pain, digital illustration.
    Chinese mother opening car door for children — Stock Photo
    Chinese mother opening car door for children
    Thoughtful girl reading a book in living room at home — Stock Photo
    Thoughtful girl reading a book in living room at home
    Boy with schoolbag in classroom — Stock Photo
    Boy with schoolbag in classroom
    Close-up of prayer beads kept on holy Quran — Stock Photo
    Close-up of prayer beads kept on holy Quran
    Adorable schoolgirl playing piano in music school — Stock Photo
    Adorable schoolgirl playing piano in music school
    Transparent male silhouette with colored stomach, computer illustration. — Stock Photo
    Transparent male silhouette with colored stomach, computer illustration.
    Cute little boy in casual pink shirt standing on floor in light playroom and looking at camera while spending time at home — Stock Photo
    Cute little boy in casual pink shirt standing on floor in light playroom and looking at camera while spending time at home
    Side view of college student reading a book in library — Stock Photo
    Side view of college student reading a book in library
    Concentrated young Hispanic guy in casual clothes sitting in comfortable armchair and reading interesting book near table with glass of fresh orange juice in daylight at home — Stock Photo
    Concentrated young Hispanic guy in casual clothes sitting in comfortable armchair and reading interesting book near table with glass of fresh orange juice in daylight at home
    Female musculature in transparent silhouette, rear view, computer illustration. — Stock Photo
    Female musculature in transparent silhouette, rear view, computer illustration.
    College students using microscope while practicing experiment in lab — Stock Photo
    College students using microscope while practicing experiment in lab
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park — Stock Photo
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park
    Low section of female conservation volunteer cleaning up river in the countryside, picking up rubbish with grabber. Ecology and social responsibility in rural environment. — Stock Photo
    Low section of female conservation volunteer cleaning up river in the countryside, picking up rubbish with grabber. Ecology and social responsibility in rural environment.
    Low section of schoolkid studying in the classroom — Stock Photo
    Low section of schoolkid studying in the classroom
    Math equations on whiteboard — Stock Photo
    Math equations on whiteboard
    Carpentry teacher and student examining measurement — Stock Photo
    Carpentry teacher and student examining measurement
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    A high school senior posing for her graduation portraits. — Stock Photo
    A high school senior posing for her graduation portraits.
    Kids smelling scents at interactive exhibit in science center — Stock Photo
    Kids smelling scents at interactive exhibit in science center
    University student listening to IT seminar, students sitting in background — Stock Photo
    University student listening to IT seminar, students sitting in background
    Playful young friends taking selfie making silly faces — Stock Photo
    Playful young friends taking selfie making silly faces
    Cute rubber duckling toy placed inside glass with water on bright blue background — Stock Photo
    Cute rubber duckling toy placed inside glass with water on bright blue background
    Front view close up of a middle aged African female school teacher standing at the front of the class pointing at the blackboard with pupils watching from their desks during a lesson in a township elementary school classroom — Stock Photo
    Front view close up of a middle aged African female school teacher standing at the front of the class pointing at the blackboard with pupils watching from their desks during a lesson in a township elementary school classroom
    Male anatomy showing Spinalis thoracis muscle, computer illustration. — Stock Photo
    Male anatomy showing Spinalis thoracis muscle, computer illustration.
    Businesswoman with book looking at camera while colleague browsing tablet at office — Stock Photo
    Businesswoman with book looking at camera while colleague browsing tablet at office
    Children wearing the teeshirt of the Science Club — Stock Photo
    Children wearing the teeshirt of the Science Club
    Illustration of human bronchi in body silhouette. — Stock Photo
    Illustration of human bronchi in body silhouette.
    Desks in modern classroom, high angle view — Stock Photo
    Desks in modern classroom, high angle view
    Empty blackboard in store — Stock Photo
    Empty blackboard in store
    3d rendered illustration of back muscles in human body. — Stock Photo
    3d rendered illustration of back muscles in human body.
    Portrait of a young girl wearing make-up standing by a curtain — Stock Photo
    Portrait of a young girl wearing make-up standing by a curtain
    Students at computers in adult education classroom — Stock Photo
    Students at computers in adult education classroom
    Active seniors exercising, stretching arms overhead in circle — Stock Photo
    Active seniors exercising, stretching arms overhead in circle
    Digital x-ray illustration of bones of human foot. — Stock Photo
    Digital x-ray illustration of bones of human foot.
    Boy reading a book in armchair in living room at home — Stock Photo
    Boy reading a book in armchair in living room at home
    Row of connected books at shelf — Stock Photo
    Row of connected books at shelf
    Focused high school girl student taking exam looking up — Stock Photo
    Focused high school girl student taking exam looking up
    Woman sitting on sofa — Stock Photo
    Woman sitting on sofa
    Female students studying at desk in classroom — Stock Photo
    Female students studying at desk in classroom
    Community college instructor helping student at computer in classroom — Stock Photo
    Community college instructor helping student at computer in classroom
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy. — Stock Photo
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy.
    Stent and balloon catheter, digital illustration. — Stock Photo
    Stent and balloon catheter, digital illustration.
    Man training his dog in the snow and play with a ball — Stock Photo
    Man training his dog in the snow and play with a ball
    Young stressed muslim woman using laptop indoors — Stock Photo
    Young stressed muslim woman using laptop indoors
    Enthusiastic college students joking friend outside — Stock Photo
    Enthusiastic college students joking friend outside
    Portrait of Indian girl looking at exam pad under back light — Stock Photo
    Portrait of Indian girl looking at exam pad under back light
    Illustration of human anatomy on white background. — Stock Photo
    Illustration of human anatomy on white background.
    Girl raising hand in classroom — Stock Photo
    Girl raising hand in classroom
    Man holding glasses and laptop computer working at home — Stock Photo
    Man holding glasses and laptop computer working at home
    Serene active seniors meditating in sunny window — Stock Photo
    Serene active seniors meditating in sunny window
    Boy Waves To Teacher And Classmates During A Zoom Class — Stock Photo
    Boy Waves To Teacher And Classmates During A Zoom Class
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Group of multi ethnic kids and their female teacher wearing face masks performing yoga in the school garden. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Group of multi ethnic kids and their female teacher wearing face masks performing yoga in the school garden. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Illustration of senior woman silhouette with colored bladder on white background. — Stock Photo
    Illustration of senior woman silhouette with colored bladder on white background.