Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..