HSC Biology 2nd Paper Note

HSC Biology 2nd Paper Note 6th Chapter Human Physiology: Wastes and Excretion

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HSC Biology 2nd Paper Note 6th Chapter Human Physiology: Wastes and Excretion. Excretion is the process by which metabolic wastes and other non-useful materials, such as feces, are eliminated from an organism. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with secretion, where the substance may have specific … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology 2nd Paper Note 4th Chapter Human Physiology: Blood and Circulation

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HSC Biology 2nd Paper Note 4th Chapter Human Physiology: Blood and Circulation. The center of the circulatory system is the heart, which is the main pumping mechanism. The heart is made of muscle. The heart is shaped something like a cone, with a pointed bottom and around the top. It is hollow so that it can fill … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology 2nd Paper Note 2nd Chapter Introduction to Animal

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HSC Biology 2nd Paper Note 2nd Chapter Introduction to Animal. Animals are a diverse group of organisms that make up the kingdom known as Animalia. They are a very familiar group of organisms and are the very kingdom of life that humans belong to. Do you want to understand how and why animals behave the way … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology 2nd Paper Note 1st Chapter Animal diversity and Classification

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HSC Biology 2nd Paper Note 1st Chapter Animal diversity and Classification. Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan.Animal Diversity Web has i) Thousands of species accounts about individual animal species, ii)Descriptions of taxa above the species level, especially phyla, classes, orders, … Read more

Last Updated: March 22, 2026 at 8:29 pm