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.
Female genital organs: set of sexual organs involved in reproduction. See more
Female genital organs - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Breast: gland secreting mother's milk. See more
Breast - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Male genital organs: set of sexual organs involved in human reproduction. See more
Male genital organs - 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.
Discover the secrets of Earth's lithosphere and crustal changes! Learn about the Earth's layers, tectonic plate movements, erosion, and volcanic activity. Explore the formation of rocks and un ...
Dive into the world of microorganisms with our engaging learning unit on Bacteria, Fungi, and Viruses! Explore the characteristics and importance of these tiny organisms while unraveling their implica ...