It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..