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

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

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 […]

HSC Biology 2nd Paper Note 5th Chapter Human Physiology: Breathing and Respiration 3

HSC Biology 2nd Paper Note 5th Chapter Human Physiology: Breathing and Respiration

HSC Biology 2nd Paper Note 5th Chapter Human Physiology: Breathing 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 cellular respiration, which […]

HSC Biology 2nd Paper Note 1st Chapter Animal diversity and Classification 7

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

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, […]

HSC Biology 1st Paper Note 12th Chapter Environment, Distribution, and Conservation of Organism 8

HSC Biology 1st Paper Note 12th Chapter Environment, Distribution, and Conservation of Organism

HSC Biology 1st Paper Note 12th Chapter Environment, Distribution, and Conservation of Organism. 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 environment. In the […]

HSC Biology 1st Paper Note 11th Chapter Biotechnology 9

HSC Biology 1st Paper Note 11th Chapter Biotechnology

HSC Biology 1st Paper Note 11th Chapter 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 make useful […]

HSC Biology 1st Paper Note 10th Chapter Plant Reproduction 10

HSC Biology 1st Paper Note 10th Chapter Plant Reproduction

HSC Biology 1st Paper Note 10th Chapter Plant Reproduction. 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 of the systems, […]