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Chapter 1 – Tissue

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Introduction

A tissue is a collection of cells located together in the body. A tissue’s cells all have the same developmental roots. The cells in a tissue share morphological characteristics and are organised in an ordered fashion that allows the tissue to perform its functions, as seen by microscopic observation. Tissues exist in more diverse species from an evolutionary viewpoint. Multicellular protists, for example, are ancient eukaryotes that lack tissue organisation.

Now, while you know that the human body contains several different kinds of cells, they are divided into four different types of tissues—epithelial, connective, muscular, and nervous. Each of these classifications has distinct roles that relate to the body’s general health and maintenance. Structural damage is a symptom of an accident or illness. Histology, the microscopic examination of tissue appearance, arrangement, and operation, may identify such improvements.

In biology, a tissue is a collection of cells that have a common arrangement and serve the same role. The term tissue derives from the French word tissu, which implies “to weave.”

Animal Tissues

Animal tissues are made up of animal cells that have been clustered together. The composition, role, and origin of these tissues are all distinct. Epithelial, connective, elastic, and nervous tissues are the four types of tissues found in animals.

Plant Tissues 

A tissue is a set of cells of similar configurations that collaborate to perform a particular purpose. Permanent and meristematic tissues are two types of plant tissues.

Permanent and meristematic tissues are two types of plant tissues

  • Meristematic tissues:
    These tissues can divide quickly and mature quickly. They contribute to the vegetation’s big development. These cells are responsible for the plant’s growth in duration and diameter. Meristematic cells are living cubical cells with a large nucleus.
  • Permanent tissues:
    These cells have lost their capacity to distribute, but they are specialised to provide the plant with elasticity, resilience, and strength. These
    tissues may also be divided into the following groups:
    (i) Simple permanent tissues
    (ii) Complex permanent tissues
  • There are polygonal cells that are alive and have a wide central vacuole and intercellular gaps within them. Ground tissue and pith are formed by parenchymatous cells. 
  • Chlorenchyma is a form of parenchyma that produces chloroplasts. Photosynthesis is supported by the chlorenchyma. 
  • Aerenchyma is a form of parenchyma that comprises broad air voids. Aerenchyma’s primary role is to provide buoyancy. 
  • In vegetables and fruits, certain parenchymatous cells serve as starch storage chambers.

There are live cells that have been spread out and have minute intercellular differences. Pectin and cellulose make up their cell walls. Collenchyma is located in the margins of leaves and branches, and it provides plants with structural flexibility and mechanical support.

There are elongated, dying cells with layers of lignin in their cell walls. There are no holes between the cells. Sclerenchyma can be present on the outside of seeds and nuts, as well as along vascular tissues in stems and leaf veins. Sclerenchyma gives the plant its power.

It aids in the transfer of water and dissolved compounds in the farm. Vessels, tracheids, xylem fibres, and xylem parenchyma are some of the xylem’s several elements. Lignin is found in Xylem fibres and Tracheids, and it gives structural support to the plant.

This tissue assists in the flow of food across the plant. Phloem fibres, sieve channels, phloem parenchyma, and partner cells are some of the several components of phloem.

  • Epithelial tissue
    The defensive wrapping and inner lining of the body and organs are formed by epithelial tissues. These tissues were the first to develop during embryonic growth and were the first to evolve during evolution. They emerge from the embryo’s ectoderm, mesoderm, and endoderm.Epithelial Tissue CharacteristicsThe following are some of the most essential features of epithelial tissues:
  • These may be multi-layered or single-layered. 
  • Tissues have the potential to rebuild themselves. 
  • Gap junctions, close junctions, zonula adherens, desmosomes, and interdigitation bring these cells together. 
  • These cells’ plasma membranes are divided into flagella, cilia, and microvilli.
  • Muscular Tissue
    The embryo’s mesoderm transforms into muscle tissue. It is divided into three categories:
  • Cardiac
  • Smooth
  • Skeletal

Muscle tissue has the following purposes:

  • It assists in locomotion and movement. 
  • It helps to hold the bones and other structures in place. 
  • Peristalsis and parturition are regulated by it.

In this chapter, we learned about the tissues, their types and the characteristics. We also learned about the types of plant and animal tissues.

  1. What is the concept of tissue in the human body?
    The tissue is a set of cells with identical structures that work together as a team. The intercellular matrix, a non-living substance, occupies the gaps between the cells. This may be plentiful in certain tissues while becoming sparse in others. 
  2. What is the significance of tissues?
    a) It defends the organs from damage or shock.
    b) It often binds to a variety of body pieces, such as ligaments, which attach bones to one another.
    c) It also acts as a source of energy for our bodies, as blood carries nutrients to different areas of the body. 
  3. What is nervous tissue? And what does it do?
    The cortex, spinal cord, and nerves all contain nerve tissue. It is in charge of organising and regulating several bodily functions.
  4. Blood is a form of which tissue?
    Connective tissue.
  5. What’s the differentiation between a tissue system and an organ system?
    Tissues are collections of identical cells that have the same purpose. An organ is a device made up of at least two distinct forms of tissue that play a particular role in the body.

To learn more about tissues with simple, interactive, and explanatory visualisations, try the MSVgo app.

High School Physics

  • Alternating Current
  • Atoms
  • Communication Systems
  • Current Electricity
  • Dual nature of Radiation and Matter
  • Electric Charges and Fields
  • Electricity
  • Electromagnetic Induction
  • Electromagnetic Waves
  • Electron Beams and Radioactivity
  • Electrons and Photons
  • Electrostatic Potential and Capacitance
  • Fluid Pressure
  • Force and Acceleration
  • Force And Laws Of Motion
  • Gravitation
  • Internal Energy
  • Kinetic Theory
  • Law of motion
  • Light – Reflection And Refraction
  • Magnetic Effects Of Electric Current
  • Magnetism and Matter
  • Management Of Natural Resources
  • Mechanical properties of Fluids
  • Mechanical properties of Solids
  • Motion
  • Motion in a plane
  • Motion in a straight line
  • Moving Charges and Magnetism
  • Nuclear Energy
  • Nuclei
  • Oscillations
  • Our Environment
  • Paths of Heat
  • Physical world
  • Ray optics and optical instruments
  • Semiconductor Devices
  • Semiconductor Electronics: Materials, Devices and Simple Circuits
  • Simple Machines
  • Sound
  • Sources Of Energy
  • Specific and Latent Heats
  • Spherical Mirrors
  • Static Electricity
  • Systems of Particles and Rotational motion
  • Thermal properties of matter
  • Thermodynamics
  • Units and Measurement
  • Vectors, Scalar Quantities and Elementary Calculus
  • Wave Optics
  • Waves
  • Work, Power and Energy

High School Chemistry

  • Acids, Bases and Salts
  • Alcohols, Phenols and Ethers
  • Aldehydes, Ketones and Carboxylic Acids
  • Aliphatic and Aromatic Hydrocarbons
  • Alkyl and Aryl Halides
  • Amines
  • Analytical Chemistry 
  • Atomic Structure
  • Atoms And Molecules
  • Basic concepts of Chemistry
  • Biomolecules
  • Carbon And Its Compounds
  • Carboxylic acids and Acid Derivatives
  • Chemical Bonding and Molecular Structures
  • Chemical Energetics
  • Chemical Equilibria
  • Chemical Kinetics
  • Chemical Reactions And Equations
  • Chemical Reactions and Their Mechanisms
  • Chemistry in Everyday Life
  • Chemistry of p-Block elements
  • Chemistry of Transition and Inner Transition
  • Classification of Elements
  • Coordination Compounds
  • Cyanide, Isocyanide, Nitro compounds and Amines
  • Electrochemistry
  • Electrolysis
  • Elements, Compounds and Mixtures
  • Environmental Chemistry
  • Equilibrium
  • Ethers and Carbonyl compounds
  • Haloalkanes and Haloarenes
  • Hydrocarbons
  • Hydrogen
  • Ideal solutions
  • Introduction to Organic Chemistry
  • Ionic equilibria
  • Matter
  • Matter Around Us
  • Matter In Our Surroundings
  • Metallurgy
  • Metals And Non-Metals
  • Mole Concept and Stoichiometry
  • Natural Resources
  • Organic Chemistry – Basic Principles
  • Periodic Classification of Elements
  • Physical and Chemical Changes
  • Physical and Chemical Properties of Water
  • Polymers
  • Preparation, Properties and Uses of Compounds
  • Principles and Processes of Isolation of Elements
  • Redox Reactions
  • Relative Molecular Mass and Mole
  • States of Matter
  • Structure Of The Atom
  • Study of Compounds
  • Study of Gas Laws
  • Study of Representative Elements
  • Surface Chemistry
  • The d-block and f-block elements
  • The Gaseous State
  • The p-Block Elements
  • The Periodic Table
  • The s-Block Elements
  • The Solid State
  • Thermodynamics

High School Biology

  • Absorption and Movement of Water in Plants
  • Adolescent Issues
  • Anatomy of Flowering Plants
  • Animal Kingdom
  • Bacteria and Fungi-Friends and Foe
  • Biodiversity and Conservation
  • Biofertilizers
  • Biological Classification
  • Biomedical Engineering
  • Biomolecules
  • Biotechnology and its Applications
  • Biotic Community
  • Body Fluids and Circulation
  • Breathing and Exchange of Gases
  • Cell – Unit of Life
  • Cell Cycle and Cell Division
  • Cell Division and Structure of Chromosomes
  • Cell Reproduction
  • Cellular Respiration
  • Chemical Coordination and Integration
  • Circulation
  • Control And Coordination
  • Crop Improvement
  • Digestion and Absorption
  • Diversity In Living Organisms
  • Ecosystem
  • Environmental Issues
  • Excretory Products and their Elimination
  • Flowering Plants
  • Genes and Chromosomes
  • Health and Diseases
  • Health and Its Significance
  • Heredity And Evolution
  • Heredity and Variation
  • How Do Organisms Reproduce?
  • Human Diseases
  • Human Eye And Colourful World
  • Human Health and Disease
  • Human Population
  • Human Reproduction
  • Hygiene
  • Improvement In Food Resources
  • Integumentary System- Skin
  • Kingdom Fungi
  • Kingdom Monera
  • Kingdom Protista
  • Life Processes
  • Locomotion and Movement
  • Microbes in Human Welfare
  • Mineral Nutrition
  • Molecular Basis of Inheritance
  • Morphology of Flowering Plants
  • Neural Control And Coordination
  • Nutrition in Human Beings
  • Organism and Population
  • Photosynthesis
  • Photosynthesis in Higher Plants
  • Plant Growth and Development
  • Plant Kingdom
  • Pollination and Fertilization
  • Pollution; Sources and its effects
  • Principles of Inheritance and Variation
  • Reproduction and Development in Angiosperms
  • Reproduction in Organisms
  • Reproductive Health
  • Respiration in Human Beings
  • Respiration in Plants
  • Respiratory System
  • Sexual Reproduction in Flowering Plants
  • Strategies for Enhancement in Food Production
  • Structural Organisation in Animals
  • Structural Organisation of the Cell
  • The Endocrine System
  • The Fundamental Unit Of Life
  • The Living World
  • The Nervous System and Sense Organs
  • Tissues
  • Transpiration
  • Transport in Plants

High School Math

  • Algebra – Arithmatic Progressions
  • Algebra – Complex Numbers and Quadratic Equations
  • Algebra – Linear Inequalities
  • Algebra – Pair of Linear Equations in Two Variables
  • Algebra – Polynomials
  • Algebra – Principle of Mathematical Induction
  • Algebra – Quadratic Equations
  • Binomial Theorem
  • Calculus – Applications of Derivatives
  • Calculus – Applications of the Integrals
  • Calculus – Continuity and Differentiability
  • Calculus – Differential Equations
  • Calculus – Integrals
  • Geometry – Area
  • Geometry – Circles
  • Geometry – Conic Sections
  • Geometry – Constructions
  • Geometry – Introduction to Euclid’s Geometry
  • Geometry – Three-dimensional Geometry
  • Geometry – Lines and Angles
  • Geometry – Quadrilaterals
  • Geometry – Straight Lines
  • Geometry – Triangles
  • Linear Programming
  • Matrices and Determinants
  • Mensuration – Areas
  • Mensuration – Surface Areas and Volumes
  • Number Systems
  • Number Systems – Real Numbers
  • Permutations and Combinations
  • Probability
  • Sequence and Series
  • Sets and Functions
  • Statistics 
  • Trignometry – Height and Distance
  • Trignometry – Identities
  • Trignometry – Introduction

Middle School Science

  • Acids, Bases And Salts
  • Air and Its Constituents
  • Basic Biology
  • Body Movements
  • Carbon and Its Compounds
  • Cell – Structure And Functions
  • Changes Around Us
  • Chemical Effects Of Electric Current
  • Chemistry in Your Life
  • Coal And Petroleum
  • Combustion And Flame
  • Components Of Food
  • Conservation Of Plants And Animals
  • Crop Production And Management
  • Electric Current And Its Effects
  • Electricity And Circuits
  • Elements and Compounds
  • Fibre To Fabric
  • Food production and management
  • Force And Pressure
  • Forests: Our Lifeline
  • Friction
  • Fun With Magnets
  • Garbage In, Garbage Out
  • Getting To Know Plants
  • Health and Hygiene
  • Heat
  • Hydrogen
  • Life Processes: Nutrition in Animals and Plants
  • Light, Shadows And Reflections
  • Materials: Metals And Non-Metals
  • Matter and Its States
  • Metals and Non-metals
  • Micro Organisms: Friend And Foe
  • Motion And Measurement Of Distances
  • Motion And Time
  • Nutrition In Animals
  • Nutrition In Plants
  • Organization in Living Things
  • Our Environment
  • Physical And Chemical Changes
  • Pollution and conservation
  • Pollution Of Air And Water
  • Reaching The Age Of Adolescence
  • Reproduction In Animals
  • Reproduction In Plants
  • Respiration In Organisms
  • Rocks and Minerals
  • Separation Of Substances
  • Simple Machines
  • Soil
  • Some Natural Phenomena
  • Sorting Materials Into Groups
  • Sound
  • Stars And The Solar System
  • Structure of Atom
  • Synthetic Fibers And Plastics
  • The Living Organisms And Their Surroundings
  • Transfer of Heat
  • Transformation of Substances
  • Transportation In Animals And Plants
  • Universe
  • Waste-water Story
  • Water: A Precious Resource
  • Weather, Climate And Adaptations Of Animals To Climate
  • Winds, Storms And Cyclones

Middle School Math

  • Addition
  • Area and Its Boundary
  • Boxes and Sketches
  • Data Handling
  • Fun With Numbers
  • Heavy and Light
  • How Many
  • Long And Short
  • Mapping
  • Measurement
  • Money
  • Multiplication and Factors
  • Multiply and Divide
  • Numbers
  • Parts and Wholes
  • Pattern Recognition
  • Patterns
  • Play With Patterns
  • Rupees And Paise
  • Shapes And Angles
  • Shapes And Designs
  • Shapes and Space
  • Similarity
  • Smart Charts
  • Squares
  • Subtraction
  • Tables And Shares
  • Tenths and Hundredths
  • Time
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