Class 10 cbse , Bio ch life process, generate full video explaining the same
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Welcome to the study of life processes. Life processes are essential functions that all living organisms must perform to maintain life. These processes require energy and work together to keep organisms alive and healthy. The four main life processes we will study are nutrition, respiration, transportation, and excretion.
Nutrition is the process by which organisms obtain and utilize food for energy and growth. There are two main types of nutrition. Autotrophic nutrition occurs when organisms make their own food, like plants through photosynthesis using sunlight, carbon dioxide, and water. Heterotrophic nutrition occurs when organisms depend on other organisms for food, including holozoic, saprophytic, and parasitic types.
Respiration is the vital process by which organisms release energy from food molecules. There are two main types of respiration. Aerobic respiration occurs in the presence of oxygen and involves the complete breakdown of glucose in mitochondria, producing a high energy yield of thirty-eight ATP molecules. Anaerobic respiration occurs without oxygen, resulting in incomplete breakdown and lower energy yield of only two ATP molecules.
Transportation is the process that moves essential substances throughout the body. Blood is the main transport medium, consisting of plasma, red blood cells that carry oxygen, white blood cells that fight infections, and platelets for clotting. The circulatory system uses double circulation - pulmonary circulation carries blood between heart and lungs, while systemic circulation carries blood between heart and body organs.
To summarize what we have learned about life processes: Nutrition provides organisms with energy through food intake and utilization. Respiration releases energy from glucose molecules in cells. Transportation moves essential substances throughout the body via the circulatory system. Excretion removes harmful metabolic waste products. All these processes work together harmoniously to maintain life in organisms.