Razi Brown Tornadoes Facts Tornadoes are the most violent of all the storms, capable of picking up trees, cars, roofs and walls of buildings. Tornadoes generally occur in middle latitudes. They are very small in size and of short duration which makes weather prediction difficult. Tornados funnel can have the size of 90-460m in …
Spermatogenesis is the process through which immature sperm cells called Spermatogonia (which are actually stem cells) are transformed through a series of different types of cell divisions in order to produce mature sperm cells called Spermatozoa. Spermatogonia (or Spermatogonium singular) are undifferentiated spermatogenic cells that need to be differentiated through the processes of mitosis and meiosis before they …
Oogenesis is also called Ovogenesis, and it is the process whereby oogonia (immature oocytes) are transformed into mature oocytes. The process of Oogenesis begins before birth and is completed after puberty. Oogenesis even after puberty still continues to menopause (permanent cessation of menstrual bleeding associated with the menstrual cycles). Oogenesis and Spermatogenesis are forms of …
Transportation Business in Nigeria is often seen as a lucrative business by many and this notion is the major reason why it is difficult to succeed in this business in Nigeria. I have tried delving into the transport business with a tricycle as well as a Mini bus (Ford Galaxy) but I …
A Cartilage is a type of connective tissue that helps in providing support and maintaining structure or morphology of the body. The cartilage is able to perform its function because of its firm consistency and ability to withstand compression and shearing forces; the cartilage can perform these functions because it is made …
Glands are considered as specialized epithelial cells that are adapted specifically for the purpose of secretion. This means in addition to performing functions such as protection and absorption, the cells of epithelial tissue also may secrete chemical substances. Therefore, no matter how complex a gland may be, it was first derived from epithelial …
Adipose tissue is best described as a form of connective tissue in which fat cells (also called Adipocytes) predominate. These large fat cells are found isolated or in small groups within loose or dense irregular connective tissue but occur in large aggregates as adipose tissue or fat in many body regions and organs. The cells …
What are Decomposers? Decomposers are organisms that feed on dead organic matters (for example, scavengers like vultures and crows), and further breaking down the dead matter by other decomposing agents like bacteria and various microorganisms. Decomposers are saprophytes; they feed on dead and decaying organisms and their excreta (waste such as urine …