HSC EV Biology 2nd Paper 6th Chapter Note. Human Physiology, Excretory Products, 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 … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 5th Chapter Note. Human Physiology, Respiratory Process, and Respiration. Breathing (or respiration, or ventilation) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide. All aerobic creatures need oxygen for … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 4th Chapter Note. 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 … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 3rd Chapter Note. Human Physiology, Digestion, and Absorption. Human Physiology is a featured book on Wikibooks because it contains substantial content, it is well-formatted, and the Wikibooks community has decided to feature it on the main page or in other places. Please continue to improve it and thanks for the … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 2nd Chapter Note. Animal’s Identity. 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 … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 1st Chapter Note. 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, … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 1st Paper 12th Chapter Note. Environnement Distribution and Conservation of Organisms. The environment is everything that is around us. It can be living or nonliving things. It includes physical, chemical and other natural forces. Living things live in their environment. They constantly interact with it and adapt themselves to conditions in their … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 1st Paper 11th Chapter Note. Biotechnology. At its simplest, biotechnology is technology based on biology – biotechnology harnesses cellular and biomolecular processes to develop technologies and products that help improve our lives and the health of our planet. We have used the biological processes of microorganisms for more than 6,000 years to … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 1st Paper 10th Chapter Note. Reproduction of Plants. Plant reproduction is the production of new individuals or offspring in plants, which can be accomplished by sexual or asexual reproduction. Sexual reproduction produces offspring by the fusion of gametes, resulting in offspring genetically different from the parent or parents. Plant reproductive system, any … Read more
Last Updated: March 22, 2026 at 8:45 pm