Hemostasis is the body’s natural way of stopping bleeding, and it’s a marvel of our physiological design. It’s most effective in dealing with injuries to small blood vessels like arterioles, capillaries, and venules, which are the usual culprits in everyday bleeding episodes. However, it’s ineffective when controlling bleeding from medium or large arteries.
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Explore a series of multiple-choice questions to challenge your understanding of how living organisms are grouped and categorized in the natural world. Article: biological classification-I, biological classification-II 1. Who is credited with the first attempt at a scientific basis of classification? A) Charles Darwin B) Aristotle C) Linnaeus D) R.H. Whittaker 2. According to Aristotle’s
Biological classification, also known as taxonomy, is a fundamental system used by scientists to organize and categorize the vast diversity of life on Earth. This hierarchical system places all living organisms into distinct groups based on their shared characteristics, facilitating our understanding of their evolutionary relationships and helping us navigate the complexity of the natural world
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Biological classification, or taxonomy, categorises and organises living organisms based on their shared characteristics and evolutionary relationships. It helps us understand the diversity of life on Earth and facilitates the study of the natural world. KINGDOM MONERA Archaebacteria Eubacteria KINGDOM PROTIST Chrysophytes (Diatoms and Golden Algae{desmids}) Dinoflagellates Euglenoids Slime Moulds Protozoans For second part of
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Introduction: Blood, often called the fluid connective tissue, plays a fundamental role in maintaining the body’s equilibrium. Comprising both plasma and blood corpuscles, this remarkable substance constitutes approximately 30-35 per cent of the extracellular fluid in our bodies. An average adult weighing 70 kilograms harbours around 5.5 litters of blood, a testament to its paramount
Introduction The plasma membrane, a fundamental element within the intricate machinery of living cells, is a dynamic and fluid-structure governing the exchange of substances between cells and their surroundings. This selective and permeable barrier plays a pivotal role in cellular function by regulating the influx and efflux of molecules. The revolutionary fluid mosaic model, conceived
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Article: The chemical theory of the Origin of life
MCQ: the chemical theory of the Origin of life Read More »
The universe came into being around 15 billion years ago through a big bang, a thermonuclear explosion of a dense entity proposed by Abbe Lemaitre in his Big Bang Theory in 1931. Subsequently, our solar system formed about 4.5 to 5 billion years ago from a gaseous cloud called the solar nebula, as Kant-Laplace’s Nebular
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Maintaining proper levels of water and electrolytes and removing nitrogenous waste are necessary for all animals to survive. Regulating water and electrolytes is known as osmoregulation, and eliminating nitrogenous waste is called excretion. These processes are closely related but have different names. Both of these processes contribute to homeostasis, which is essential for life. In vertebrates, the kidneys are responsible for both osmoregulation and excretion, while invertebrates have specialized organs for these functions.
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