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    Front view close up of a group of young African schoolgirls having fun posing and taking selfies with a smartphone during a break from lessons in a township elementary school classroom — Stock Photo
    Front view close up of a group of young African schoolgirls having fun posing and taking selfies with a smartphone during a break from lessons in a township elementary school classroom
    Illustration of small intestine in human body silhouette. — Stock Photo
    Illustration of small intestine in human body silhouette.
    Male anatomy showing Superior masseter muscle, computer illustration. — Stock Photo
    Male anatomy showing Superior masseter muscle, computer illustration.
    Illustration of cervical spine in human skeleton on blue background. — Stock Photo
    Illustration of cervical spine in human skeleton on blue background.
    Wooden reading booklet — Stock Photo
    Wooden reading booklet
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    Instructor discussing air conditioner recharging with students in HVAC classroom one student in wheelchair — Stock Photo
    Instructor discussing air conditioner recharging with students in HVAC classroom one student in wheelchair
    Illustration of cross section of kidney on white background. — Stock Photo
    Illustration of cross section of kidney on white background.
    Model of human teeth — Stock Photo
    Model of human teeth
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Caucasian female teacher measuring temperature of children in an elementary school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Caucasian female teacher measuring temperature of children in an elementary school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    3d rendered illustration of medial meniscus in human skeleton. — Stock Photo
    3d rendered illustration of medial meniscus in human skeleton.
    A little girl in safety goggles measures liquid into a test tube — Stock Photo
    A little girl in safety goggles measures liquid into a test tube
    Rural teacher and pupils smiling at camera in outdoor learning — Stock Photo
    Rural teacher and pupils smiling at camera in outdoor learning
    Portrait smiling high school students on stair landing — Stock Photo
    Portrait smiling high school students on stair landing
    Male nervous system in abstract skeleton, computer illustration. — Stock Photo
    Male nervous system in abstract skeleton, computer illustration.
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Students learning in classroom — Stock Photo
    Students learning in classroom
    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
    Mother helping kids with homework at dining table — Stock Photo
    Mother helping kids with homework at dining table
    Illustration of thyroid tumour in transparent male silhouette. — Stock Photo
    Illustration of thyroid tumour in transparent male silhouette.
    Side view of a Caucasian teenage boy in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines — Stock Photo
    Side view of a Caucasian teenage boy in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    Businessman and son holding hands in urban park — Stock Photo
    Businessman and son holding hands in urban park
    Serene active seniors holding hands, meditating in circle — Stock Photo
    Serene active seniors holding hands, meditating in circle
    Abstract male silhouette with visible parathyroid glands, computer illustration. — Stock Photo
    Abstract male silhouette with visible parathyroid glands, computer illustration.
    Enthusiastic woman in audience — Stock Photo
    Enthusiastic woman in audience
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair — Stock Photo
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair
    Schoolboy at desk in classroom — Stock Photo
    Schoolboy at desk in classroom
    Visible skeleton in female body silhouette on white background, computer illustration. — Stock Photo
    Visible skeleton in female body silhouette on white background, computer illustration.
    Woman reading book at window — Stock Photo
    Woman reading book at window
    Female paramedic CPR training with dummy outdoors. — Stock Photo
    Female paramedic CPR training with dummy outdoors.
    Resting woman in casual wear and trendy sunglasses reading book during refreshment in outdoors bar — Stock Photo
    Resting woman in casual wear and trendy sunglasses reading book during refreshment in outdoors bar
    Boy reaching up to robotic hand. — Stock Photo
    Boy reaching up to robotic hand.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Happy children and their mother playing with toys — Stock Photo
    Happy children and their mother playing with toys
    Playful girl in classroom — Stock Photo
    Playful girl in classroom
    Young adolescent with virtual reality glasses laying on grass outdoors near a lake with a book — Stock Photo
    Young adolescent with virtual reality glasses laying on grass outdoors near a lake with a book
    Junior high schoolgirls — Stock Photo
    Junior high schoolgirls
    Side view of trendy woman in stylish suit with black notebook fast crossing road, looking around — Stock Photo
    Side view of trendy woman in stylish suit with black notebook fast crossing road, looking around
    Illustration of human nervous receptors on white background. — Stock Photo
    Illustration of human nervous receptors on white background.
    Cropped view of female hands holding paper with paint and drawing on canvas — Stock Photo
    Cropped view of female hands holding paper with paint and drawing on canvas
    University students studying in library — Stock Photo
    University students studying in library
    Full body of stylish young multiracial male friends using laptop and reading book while relaxing on chairs on terrace on sunny day — Stock Photo
    Full body of stylish young multiracial male friends using laptop and reading book while relaxing on chairs on terrace on sunny day
    Portrait smiling, confident girl students researching at computer in library — Stock Photo
    Portrait smiling, confident girl students researching at computer in library
    Female junior high teacher helping girl student at computer in computer lab — Stock Photo
    Female junior high teacher helping girl student at computer in computer lab
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Schoolgirl writing on chalkboard in classroom at school — Stock Photo
    Schoolgirl writing on chalkboard in classroom at school
    High school girl students with hands raised during lesson in classroom — Stock Photo
    High school girl students with hands raised during lesson in classroom
    Senior Caucasian chef standing by a table, cutting a piece of fish, looking at it. Cookery class at a restaurant kitchen. — Stock Photo
    Senior Caucasian chef standing by a table, cutting a piece of fish, looking at it. Cookery class at a restaurant kitchen.
    Male speaker on stage answering audience questions — Stock Photo
    Male speaker on stage answering audience questions
    Happy boy leaning at desk — Stock Photo
    Happy boy leaning at desk
    Teen boys in helmets throwing ball to each other while riding horses on dressage arena during lesson in equestrian school — Stock Photo
    Teen boys in helmets throwing ball to each other while riding horses on dressage arena during lesson in equestrian school
    Funny astonished young female in casual knitted sweater holding open book covering mouth and looking at camera while standing against colorful wall — Stock Photo
    Funny astonished young female in casual knitted sweater holding open book covering mouth and looking at camera while standing against colorful wall
    Illustration of sacrum in human skeleton on blue background. — Stock Photo
    Illustration of sacrum in human skeleton on blue background.
    From above of crop orthodontist with pencil in hand working with white dental mold at table with professional equipment — Stock Photo
    From above of crop orthodontist with pencil in hand working with white dental mold at table with professional equipment
    Elderly man sitting on bed with sitar and taking notes in notebook while watching online lesson on tablet — Stock Photo
    Elderly man sitting on bed with sitar and taking notes in notebook while watching online lesson on tablet
    Portrait happy, confident male community college student in classroom — Stock Photo
    Portrait happy, confident male community college student in classroom
    Toddler playing an educational game. — Stock Photo
    Toddler playing an educational game.
    Rear view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating — Stock Photo
    Rear view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating
    A small child plays chess with smiling father in window light — Stock Photo
    A small child plays chess with smiling father in window light