nutrition in paramecium class 10

Nutrition in Paramecium – Class 10

Paramecium, a tiny unicellular animal, feeds on microorganisms through holozoic nutrition. It has cilia to engulf food through the oral groove. The five steps are ingestion, digestion, absorption, assimilation and egestion. Paramecium can regulate food intake and selectively choose its food. It is a model organism for the study of nutrition in unicellular organisms.

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Digestive Glands - Definition , Types and Functions

Digestive Glands – Definition , Types and Functions

Digestive glands are organs that produce digestive juices to help break down food and absorb nutrients. There are five main types of digestive glands in the human body: salivary glands, gastric glands, pancreas, liver and intestinal glands. Each gland has a specific function in the digestive process, such as producing enzymes or regulating blood sugar levels. Understanding the functions of these glands is essential for maintaining a healthy digestive system.

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What are the components of the transport system in Human Beings? What are the functions of these components?

What are the components of the Transport system in Human Beings? What are the functions of these components?

The components of Human Transport System comprises the heart, blood, Blood Vessels, and the lymphatic system. The Heart circulates blood throughout the body.The blood carries oxygen, carbon dioxide, nutrients, hormones and wastes. Blood Vessels are the network of tubes that carry blood.Arteries carry oxygenated blood, capillaries that facilitate material exchange and Veins return deoxygenated blood to the Heart. The lymphatic system transports lymphocytes and defends the body against pathogens, absorbs lipids and eliminates waste.

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Explain the Mechanism of Breathing in Human Beings

This article systematically explains the mechanism of breathing in human beings. It covers the processes of inhalation, gas exchange in alveoli, and exhalation. Detailed descriptions are provided for each step, emphasizing the biological and physiological aspects in a clear, concise manner, tailored for understanding the fundamental process of human respiration.

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What is the role of Saliva in the Digestion of Food?

What is the role of Saliva in the Digestion of Food?

Saliva plays a crucial role in the digestion of food by lubricating and binding food, breaking down complex carbohydrates, maintaining oral hygiene and preventing the growth of bacteria. Saliva also contains enzymes that help initiate the digestive process by breaking down starch into simpler sugars. Saliva is an important part of the digestive process, facilitating the breakdown and absorption of nutrients from food.

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What are the Differences between Autotrophic Nutrition and Heterotrophic Nutrition?

10 Important Differences between Autotrophic Nutrition and Heterotrophic Nutrition

Autotrophic nutrition and heterotrophic nutrition are two distinct modes of obtaining nutrients in living organisms. Autotrophic organisms are able to produce their own food through photosynthesis, whereas heterotrophic organisms must consume other organisms or organic material to feed themselves. This article looks at the differences between these two types of nutrition, including their methods of obtaining energy, their dependence on external factors and their impact on the environment.

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Why are decomposition reactions called the opposite of combination reactions? Write an equation for this reaction.

Decomposition reactions are called opposite of combination reactions due to their reverse processes. In a decomposition reaction, compounds break down into simpler substances, contrasting with combination reactions where substances merge to form compounds. For example, heating calcium carbonate (CaCO₃) decomposes it into calcium oxide (CaO) and carbon dioxide (CO₂). This equation demonstrates the reversal of processes in decomposition reactions compared to combination reactions.

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