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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 ...

Unlock the secrets of cells with our engaging learning unit on Cells: Classification and Reproduction! Explore the fascinating world of cell biology as we delve into cell types, organelles, and cellul ...

Dive into the fascinating world of the nervous system! Explore its parts, functions, and connections with the body's senses and endocrine system. Discover the difference between reflex and volunta ...

Unlock the secrets of nutrition with our comprehensive learning unit on the Composition of Food! Delve into the science behind food classification, nutrient types, and the importance of a balanced die ...