AMIRTHA ANTONY Student Teacher 2023-2025 batch Avila College of Education Edakochi

  https://docs.google.com/presentation/d/1B_0r5yCul4BdWWXTKGl_83uciiPVlDgG/edit?usp=drivesdk&ouid=112418425102942225803&rtpof=true&sd=true The work focuses on the structure of tooth and the process of swallowing. Teeth consist of several layers, each serving a unique function. The outermost layer is enamel, a hard, mineralized substance protecting the tooth from decay. Beneath the enamel is the dentin, a porous, sensitive layer that supports the enamel and contains nerve endings. Inside the dentin is the pulp, a soft tissue filled with blood vessels and nerves that nourishes the tooth and allows sensation. The root, embedded in the jawbone, anchors the tooth and is covered by a layer of cementum, which helps secure the tooth in place. The overall structure supports chewing, grinding, and biting functions. Swallowing is a complex process involving the mouth, throat, and esophagus. It begins with chewing, which mixes food with saliva to form a bolus. The tongue then pushe...

  https://docs.google.com/presentation/d/1-kjaf5BtjA4IhMQr7LkrZL5D7rbeTa1a/edit?usp=sharing&ouid=112418425102942225803&rtpof=true&sd=true Digestion is the process by which the body breaks down food into smaller molecules that can be absorbed and used for energy and nutrients. It involves both mechanical and chemical processes. Mechanical digestion begins in the mouth with chewing and continues in the stomach through churning. Chemical digestion involves enzymes breaking down food into simpler molecules that can be absorbed. There are two main types of digestion: mechanical and chemical. Mechanical digestion physically breaks down food into smaller pieces, while chemical digestion involves enzymes breaking down food molecules into nutrients that can be absorbed into the bloodstream.

https://docs.google.com/presentation/d/18gAimd9o5-GJHTz9mEWLYNiGgOLong-7/edit?usp=drive_link&ouid=112418425102942225803&rtpof=true&sd=true   This work focuses on why do plants grow faster than humans. The reason for this is meristematic cells. Meristematic cells are undifferentiated, actively dividing cells found in regions of plants where growth can take place, such as the tips of roots and shoots. These cells are small, with thin walls and large nuclei, and they lack vacuoles. They have the unique ability to continuously divide and give rise to various specialized cells. In contrast, mature cells are differentiated and have specific functions within the plant. They are larger, with thicker cell walls, and contain well-developed vacuoles. These cells form the various tissues and organs of the plant, such as leaves, stems, and roots, and are involved in processes like photosynthesis, storage, and transport. While meristematic cells are essential for growth and developme...

https://docs.google.com/presentation/d/12P4JGlgi_q-vLb22BVUz_BtjHyL7EhiA/edit?usp=drive_link&ouid=112418425102942225803&rtpof=true&sd=true   This work constitute the details about major animal tissues and its functions in the body. Epithelial cells form the body's protective linings and coverings, lining organs, cavities, and outer surfaces, crucial for absorption, secretion, and sensation. Muscular tissue, composed of specialized cells called muscle fibers, enables movement through contraction and relaxation. It includes skeletal muscle for voluntary movement, smooth muscle for involuntary processes like digestion, and cardiac muscle for heart function. Nervous tissue, comprising neurons and glial cells, facilitates rapid communication within the body, transmitting signals through electrical impulses and supporting neural function. Connective tissue binds and supports other tissues and organs, with variations like dense, loose, and adipose types providing structural in...

  https://docs.google.com/presentation/d/1xL8kQ6n_646zB0MTOSvlUVb9sVA8YTV1/edit?usp=drivesdk&ouid=112418425102942225803&rtpof=true&sd=true The work consists  of the process nitrition in organisms and digestion in Amoeba and Hydra.  Amoebas, single-celled organisms found in freshwater environments, obtain nutrients through a process called phagocytosis. They extend their pseudopodia (temporary projections of their cell membrane) around food particles, forming a vacuole. Inside the vacuole, enzymes break down the food into smaller molecules that can be absorbed by the cell. Waste materials are expelled through a process called exocytosis, where the vacuole containing undigested remnants moves toward the cell membrane and releases its contents outside the cell. This simple yet effective process allows amoebas to survive and thrive in their microscopic world. Hydra, a freshwater organism, has a simple digestive system. It captures prey using its tentacles and then...

  https://docs.google.com/presentation/d/15fZbLlvUiuZHnckELzmBTRuK65elQBIW/edit?usp=drivesdk&ouid=112418425102942225803&rtpof=true&sd=true The presentation is on the topic " BALANCED DIET" from the unit " Digestion and Transport of Nutrients"of class 9. This work gives an idea on the various types of nutrients that we take every day. Moreover,the nutrients included in our daily meal which we are ignorant of. A balanced diet is a diet that provides the body with the necessary nutrients, vitamins, and minerals in appropriate proportions to maintain optimal health. It includes a variety of foods from all food groups in the right amounts, and limits or avoids foods that are high in added sugars, saturated and trans fats, and sodium. The key components of a balanced diet are: 1. Fruits (2-3 servings/day) 2. Vegetables (3-5 servings/day) 3. Whole grains (6-8 servings/day) 4. Lean protein sources (2-3 servings/day) 5. Healthy fats (2-3 servings/day) 6. Calcium-...

https://docs.google.com/presentation/d/1OuiocC8ac1qUntLSb-TjWA4_QovTu0wQ/edit?usp=drivesdk&ouid=112418425102942225803&rtpof=true&sd=true   This work gives an idea about the topic ' DIVERSITY OF CELLS AND  CELL DIFFERENTIATION' from the unit ' CELL CLUSTERS' of class 8.  This works helps to get an insight on types of cells in the body , how zygote is divided and tissues. Along with that it helps to get an idea cell differentiation ,stem cell and the significance of stem cell research in the field of biology and medicine.

 ICT refers to a set of technological tools and resources create , store and transmit digital information.