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Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..

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Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Chemical composition of the body
Chemical Composition of the Body

The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..