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    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Blood vessel network of human head and brain — Stock Photo
    Blood vessel network of human head and brain
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital
    Realistic human heart and blood vessels on black background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on black background, digital illustration.
    Illustration of small tick biting human skin. — Stock Photo
    Illustration of small tick biting human skin.
    Anatomy of human kidney function — Stock Photo
    Anatomy of human kidney function
    3d rendered illustration of a biker heart on black background. — Stock Photo
    3d rendered illustration of a biker heart on black background.
    Activated platelets in blood flow, illustration. — Stock Photo
    Activated platelets in blood flow, illustration.
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Vintage glass syringe and medecal needle — Stock Photo
    Vintage glass syringe and medecal needle
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019. The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia — Stock Photo
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019. The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Low angle side view of young female in protective mask browsing smartphone during procedure of blood transfusion in hospital — Stock Photo
    Low angle side view of young female in protective mask browsing smartphone during procedure of blood transfusion in hospital
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration. — Stock Photo
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Grey human heart model on red background, computer illustration. — Stock Photo
    Grey human heart model on red background, computer illustration.
    Normal leg veins, coloured angiogram - blood vessel X-ray — Stock Photo
    Normal leg veins, coloured angiogram - blood vessel X-ray
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    School aged boy dressed as Dracula posing in costume on Halloween — Stock Photo
    School aged boy dressed as Dracula posing in costume on Halloween
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Cardiovascular system in male body, computer illustration. — Stock Photo
    Cardiovascular system in male body, computer illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Red blood cells and leukocytes, computer illustration. — Stock Photo
    Red blood cells and leukocytes, computer illustration.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges
    Crime scene markers and forensics expert collecting blood sample in background. — Stock Photo
    Crime scene markers and forensics expert collecting blood sample in background.
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems — Stock Photo
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Blood bags hanging on serum hanger n blood bank — Stock Photo
    Blood bags hanging on serum hanger n blood bank
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital
    Migraine therapy and CGRP receptor, illustration. — Stock Photo
    Migraine therapy and CGRP receptor, illustration.
    Two adorable turtles lying on wet tree branch near pond in zoo — Stock Photo
    Two adorable turtles lying on wet tree branch near pond in zoo
    Blue single-use mask for virus protection on yellow background — Stock Photo
    Blue single-use mask for virus protection on yellow background
    Fresh Halved oranges — Stock Photo
    Fresh Halved oranges
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment. — Stock Photo
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment.
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Human bronchi and heart, illustration — Stock Photo
    Human bronchi and heart, illustration
    Three blood oranges — Stock Photo
    Three blood oranges
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Using pulse oximeter at home to test oxygen level in blood. — Stock Photo
    Using pulse oximeter at home to test oxygen level in blood.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Slices of blood oranges — Stock Photo
    Slices of blood oranges
    Cerebellum and corpus callosum — Stock Photo
    Cerebellum and corpus callosum
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.