Similarities Between Oogenesis & Spermatogenesis Sexual reproduction involves fertilisation; the fusion of sex cells, or gametes, from two parents Gametes are specialised, haploid cells The fus...
Drawing the Human Kidney The following elements should be included in a drawing of the human kidney The kidney should be roughly oval in shape with an inward curve on the side where it is connected...
Treatment of Kidney Failure Kidney failure can occur in one or both kidneys for a variety of reasons, such as Physical damage from an injury High blood pressure Diabetes Overuse of certain drugs (e...
Types of Nitrogenous Waste Nitrogenous waste comes from the breakdown of excess dietary amino acids and nucleic acids The waste is first converted into ammonia; some organisms excrete it in this fo...
ADH Living organisms can maintain a safe balance of water and solutes in their bodies by osmoregulation Osmoregulation is an example of homeostasis The kidneys play an important role in osmoregulat...
Conserving Water & the Loop of Henlé Animals that live in dry environments such as deserts depend on their ability to conserve water for survival Such animals often have very long loops of Henl...
Ultrastructure of the Glomerulus and Bowman's Capsule Introduction to kidney structure Humans have two kidneys, which remove waste products from the blood and maintain the blood's balance of water ...
Organisms & Osmolarity in the Environment Living organisms need to maintain a safe balance of water and solutes in their cells Failure to maintain this balance will mean that an organism's cell...
Analysing Muscle Contractions in Electron Micrographs Many biological structures are too small to be seen by the naked eye Optical microscopes are an invaluable tool for scientists as they allow fo...
