Structure of the posterior part of the eye: part of the organ of sight comprised principally of the eyelids, the eyelashes, the lachrymal gland and the eyeball. See more
Structure of the posterior part ...
Oral cavity: opening or hollow part of the mouth. See more
Oral cavity - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Digestive system: set of organs involved in the digestion of food. See more
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Urinary system: set of organs producing urine in human beings, comprised chiefly of the kidneys, ureters, bladder and urethra. See more
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Respiratory apparatus: set of organs of respiration. See more
Respiratory apparatus - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Arterial system: canals that carry blood from the heart to the organs. See more
Arterial system - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Blood vessels: organic conduits carrying blood to the heart and organs. See more
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Heart: four-chambered, egg-shaped muscular organ. The central apparatus of blood circulation. See more
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Sperm: male gamete composed of a head and a flagellum. See more
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Cleavage of a sygote: cell resulting from fertilization. In dividing, the egg becomes a new being. See more
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