Generate narration from your transcript
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"slide": 1,
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"text_description": "Welcome to Tissues\nWhere tiny cells unite to build the tapestry of life.",
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"slide": 2,
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"text_description": "What is a Tissue?",
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"text_description": "Tissue",
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"text_description": "A group of similar cells that work together to perform one specific function efficiently.\nDivision of labour: different tissues share jobs so the organism functions faster and saves energy. Think—why can’t one cell do every task?",
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"slide": 3,
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"text_description": "Plants vs Animals",
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"text_description": "Plant Tissues\nChiefly supportive and protective in function.\nMany cells are dead with thick walls for strength.\nGrowth restricted to meristems at tips and cambium.\nLower energy demand; no specialised movement tissues.",
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"text_description": "Animal Tissues\nPredominantly living, highly active cells.\nBody grows uniformly; no fixed growth zones.\nMuscle and connective tissues enable movement.\nHigh energy and nutrient requirement.",
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"slide": 4,
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"text_description": "Meristematic Tissue",
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"text_description": "Types of Meristem & Their Growth\nMeristem is a living plant tissue where cells divide continuously, driving growth.\nIts position in the plant decides what kind of growth follows.\nSpot the apical meristem in the diagram—does it make the plant longer or wider?",
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"text_description": "Key Points:\nApical\n– at shoot & root tips; adds length (primary growth).\nIntercalary\n– at nodes & leaf bases; quickly lengthens internodes, repairs grazed parts.\nLateral\n– along sides of stems & roots; adds girth (secondary growth).",
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"slide": 5,
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"text_description": "Simple Permanent Tissues\nParenchyma, Collenchyma & Sclerenchyma\nSimple permanent tissues comprise similar plant cells that stay mature and perform a shared task.\nThey are classified into parenchyma, collenchyma and sclerenchyma based on cell wall and function.",
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"text_description": "Key Points:\nParenchyma: living, thin-walled; stores food or performs photosynthesis.\nCollenchyma: living, unevenly thick walls; offers flexible support to stems, leaves.\nSclerenchyma: dead, heavily lignified; provides hard, rigid support.\nQuiz ➜ Which tissue imparts toughness to coconut husk?",
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{
"slide": 7,
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"text_description": "Epidermis & Stomata",
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"text_description": "Protective tissue & gas exchange\nA single epidermal layer forms the plant’s protective skin, often coated with a waxy cuticle that limits water loss and blocks microbes.\nStomata are adjustable pores. Guard cells swell to open for CO₂ intake, and shrink to close, conserving water.",
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"text_description": "Key Points:\nEpidermis is the first defensive barrier on all plant organs.\nDesert plants thicken the cutin layer to curb evaporation.\nGuard cells fine-tune gas exchange while saving water.",
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{
"slide": 8,
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"text_description": "Complex Tissues",
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"text_description": "Xylem & Phloem in Vascular Bundles\nComplex permanent tissues form the plant's vascular bundle.\nTwo main parts: xylem lifts water & minerals upward; phloem distributes food in all directions.",
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"text_description": "Key Points:\nXylem: vessels & tracheids form hollow pipes; move water and minerals from roots to leaves.\nPhloem: sieve tubes with companion cells push sugars and amino acids to growing or storage sites.\nBoth tissues unite as a vascular bundle linking stem, leaf and root.",
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{
"slide": 9,
"fragments": [
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"text_description": "Sort the Tissues",
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"text_description": "Drag each tissue label into its correct box to prove you can classify simple and complex permanent tissues.",
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"text_description": "Draggable Items\nParenchyma\nCollenchyma\nSclerenchyma\nXylem\nPhloem",
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"text_description": "Drop Zones\nSimple Permanent\nComplex Permanent",
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"text_description": "Tip:\nSimple tissues contain one cell type; complex tissues combine several cell types to work as a unit.",
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{
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"text_description": "Check Answers\nResults\n// Drag and drop functionality\n const draggableItems = document.querySelectorAll('.draggable-item');\n const dropZones = document.querySelectorAll('.drop-zone');\n const checkAnswersBtn = document.getElementById('checkAnswersBtn');\n const feedbackArea = document.getElementById('feedbackArea');\n const feedbackContent = document.getElementById('feedbackContent');\n\n // Drag and drop event listeners\n draggableItems.forEach(item => {\n item.addEventListener('dragstart', handleDragStart);\n item.addEventListener('dragend', handleDragEnd);\n });\n\n dropZones.forEach(zone => {\n zone.addEventListener('dragover', handleDragOver);\n zone.addEventListener('drop', handleDrop);\n zone.addEventListener('dragenter', handleDragEnter);\n zone.addEventListener('dragleave', handleDragLeave);\n });\n\n function handleDragStart(e) {\n e.target.classList.add('opacity-50');\n e.dataTransfer.setData('text/plain', e.target.dataset.id);\n }\n\n function handleDragEnd(e) {\n e.target.classList.remove('opacity-50');\n }\n\n function handleDragOver(e) {\n e.preventDefault();\n }\n\n function handleDragEnter(e) {\n e.preventDefault();\n e.target.closest('.drop-zone').classList.add('border-green-500', 'bg-green-50');\n }\n\n function handleDragLeave(e) {\n e.target.closest('.drop-zone').classList.remove('border-green-500', 'bg-green-50');\n }\n\n function handleDrop(e) {\n e.preventDefault();\n const dropZone = e.target.closest('.drop-zone');\n dropZone.classList.remove('border-green-500', 'bg-green-50');\n\n const itemId = e.dataTransfer.getData('text/plain');\n const draggedItem = document.querySelector(`[data-id=\"\\${itemId}\"]`);\n\n if (draggedItem && dropZone) {\n dropZone.appendChild(draggedItem);\n dropZone.querySelector('.text-center').style.display = 'none';\n }\n }\n\n // Check answers functionality\n checkAnswersBtn.addEventListener('click', () => {\n const results = [];\n dropZones.forEach(zone => {\n const expected = zone.dataset.id;\n zone.querySelectorAll('.draggable-item').forEach(item => {\n const actual = item.dataset.category;\n const correct = expected === actual;\n results.push({label: item.innerText.trim(), correct});\n item.classList.add(correct ? 'bg-green-100' : 'bg-red-100');\n });\n });\n\n let correctCount = results.filter(r => r.correct).length;\n feedbackArea.classList.remove('hidden');\n feedbackContent.innerHTML = \\`<p class=\"text-left\">\\${correctCount} / \\${results.length} labels correctly placed.</p>\\`;\n });",
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{
"slide": 10,
"fragments": [
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"fragment_index": -1,
"text_description": "Key Takeaways",
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{
"fragment_index": 1,
"text_description": "Tissue = Teamwork\nA tissue is a group of similar cells working together for one job.",
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{
"fragment_index": 2,
"text_description": "Plant Tissues\nMeristematic tissues divide; they mature into permanent tissues, both simple and complex.",
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"fragment_index": 3,
"text_description": "Animal Tissues\nFour main types—epithelial, connective, muscular, nervous—build the body’s organs and systems.",
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"text_description": "Transport in Plants\nXylem moves water; phloem moves food, forming the plant’s transport network.",
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"text_description": "Form Fits Function\nEach tissue’s structure is specialised to perform its function efficiently.",
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]
}
]