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Digestive system: set of organs involved in the digestion of food. See more

Digestive system - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Urinary system: set of organs producing urine in human beings, comprised chiefly of the kidneys, ureters, bladder and urethra. See more

Urinary system - Visual Dictionary - Copyright © 2005-2016 - ...

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

Blood vessels - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Heart: four-chambered, egg-shaped muscular organ. The central apparatus of blood circulation. See more

Heart - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Sperm: male gamete composed of a head and a flagellum. See more

Sperm - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Cleavage of a sygote: cell resulting from fertilization. In dividing, the egg becomes a new being. See more

Cleavage of a sygote - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Pregnancy: implantation of a fertilized egg in the uterus. See more

Pregnancy - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

L’objectif de ce projet, présenté par Mme Stéphanie Breniaux et sa classe de CM2 (école élémentaire Les Rousses, Jura), était d’utiliser les méthodes de la recherche pour répondre à la question « Com ...