Liquid pitch –>
pine tar
Obtained by the destructive distillation of the wood of pinus palustris and other species of Pinus; used internally as an expectorant, and externally in the treatment of skin diseases.
Synonym: liquid pitch.
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial will help you understand the chemical composition of the body. This will come in handy when considering the various interactions between cells and structures. ..
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new plant. Two major plant divisions are covered: the angiosperms and the gymnosperms. ..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the real deal. Learn more information on illusions and mind trickery in this tutorial...
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the different components and functions of the human circulatory system dealt with in detail in this tutorial. The lymphatic system is also elucidated elaborately here...
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the different parts of the kidneys and its role in homeostasis...
