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563 results

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    Portrait of boxer performing boxing stance in fitness studio — Stock Photo
    Portrait of boxer performing boxing stance in fitness studio
    Confident female boxer performing boxing stance in fitness studio — Stock Photo
    Confident female boxer performing boxing stance in fitness studio
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Female boxer practicing with trainer at fitness studio — Stock Photo
    Female boxer practicing with trainer at fitness studio
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Plasma cell and antibodies — Stock Photo
    Plasma cell and antibodies
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    Portrait of karate player performing karate stance in fitness studio — Stock Photo
    Portrait of karate player performing karate stance in fitness studio
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Karate player performing karate stance in fitness studio — Stock Photo
    Karate player performing karate stance in fitness studio
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Illustration of cancerous tumour in female spleen. — Stock Photo
    Illustration of cancerous tumour in female spleen.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Karate player in prayer pose in fitness studio — Stock Photo
    Karate player in prayer pose in fitness studio
    Male fighter training karate stance in fitness studio. — Stock Photo
    Male fighter training karate stance in fitness studio.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Mid section of boxer wearing black strap on wrist in fitness studio — Stock Photo
    Mid section of boxer wearing black strap on wrist in fitness studio
    Illustration of silhouette of obese man with highlighted spleen tumor. — Stock Photo
    Illustration of silhouette of obese man with highlighted spleen tumor.
    Young adult karate player performing karate stance in fitness studio — Stock Photo
    Young adult karate player performing karate stance in fitness studio
    Portrait of a confident teenage Caucasian female judoka wearing blue judogi, standing in the gym with her arms crossed and looking straight into a camera. — Stock Photo
    Portrait of a confident teenage Caucasian female judoka wearing blue judogi, standing in the gym with her arms crossed and looking straight into a camera.
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Spleen cancer in female body, computer illustration. — Stock Photo
    Spleen cancer in female body, computer illustration.
    Female boxer practicing with trainer at fitness studio — Stock Photo
    Female boxer practicing with trainer at fitness studio
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Cancer cells, computer illustration — Stock Photo
    Cancer cells, computer illustration
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Karate player performing karate stance in fitness studio — Stock Photo
    Karate player performing karate stance in fitness studio
    Structure of dog lymphatic system with lymph vessels, digital illustration. — Stock Photo
    Structure of dog lymphatic system with lymph vessels, digital illustration.
    Young adult karate player performing karate stance in fitness studio — Stock Photo
    Young adult karate player performing karate stance in fitness studio
    Young adult karate player performing karate stance in fitness studio — Stock Photo
    Young adult karate player performing karate stance in fitness studio
    Illustration of figure of obese man with visible spleen. — Stock Photo
    Illustration of figure of obese man with visible spleen.
    Karate player performing karate stance in fitness studio — Stock Photo
    Karate player performing karate stance in fitness studio
    White blood cell structure — Stock Photo
    White blood cell structure
    Asteroid defense missile launched at asteroid — Stock Photo
    Asteroid defense missile launched at asteroid
    Nanobots attacking virus, conceptual digital illustration. — Stock Photo
    Nanobots attacking virus, conceptual digital illustration.
    Mid section of karate player tying belt in fitness studio — Stock Photo
    Mid section of karate player tying belt in fitness studio
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    High angle front view of a mixed race male judo coach and teenage mixed race male judoka, wearing blue and white judogi, practicing judo during a training in a gym. — Stock Photo
    High angle front view of a mixed race male judo coach and teenage mixed race male judoka, wearing blue and white judogi, practicing judo during a training in a gym.
    Boxer wearing grappling gloves in fitness studio — Stock Photo
    Boxer wearing grappling gloves in fitness studio
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Illustration of senior man silhouette with visible spleen. — Stock Photo
    Illustration of senior man silhouette with visible spleen.
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Kung fu fighter training martial arts in fitness studio. — Stock Photo
    Kung fu fighter training martial arts in fitness studio.
    Female boxer practicing with trainer at fitness studio — Stock Photo
    Female boxer practicing with trainer at fitness studio
    Thoughtful female boxer leaning on boxing ring in fitness studio — Stock Photo
    Thoughtful female boxer leaning on boxing ring in fitness studio
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    Illustration of figure of obese man with visible spleen. — Stock Photo
    Illustration of figure of obese man with visible spleen.
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Mid section of karate player performing karate stance in fitness studio — Stock Photo
    Mid section of karate player performing karate stance in fitness studio
    Confident female boxer leaning on boxing ring in fitness studio — Stock Photo
    Confident female boxer leaning on boxing ring in fitness studio
    Illustration of transparent gray silhouette of male body with colored spleen. — Stock Photo
    Illustration of transparent gray silhouette of male body with colored spleen.