Substrand · Living things and their environment · Integrated Science · Grade 7
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# HUMAN EXCRETORY SYSTEM The human body produces waste substances during normal activities such as respiration, digestion and the breakdown of nutrients. If these wastes accumulate in the body, they may become harmful. The process of removing metabolic waste…
# FUNCTIONS OF PARTS OF THE URINARY SYSTEM The urinary system removes metabolic waste products from the blood and helps maintain the correct balance of water and mineral salts in the body. Its main organs and blood vessels work together to produce and remove…
# COMMON KIDNEY DISEASES AND DISORDERS The kidneys are important organs that remove waste products from the blood and regulate water and mineral salt levels. However, infections, diseases and other health conditions can interfere with their normal…
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