Trench hand

trench hand An obsolete term for frostbite of the hand...

This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

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

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

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