NCERT Class 9 Science Chapter 6: Tissues | CBSE | IBO | NTSE | NSTSE | NSO | Olympiad

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Dr. Manishika Jain explains NCERT Class 9 Science Chapter 6: Tissues | CBSE | IBO | NTSE | NSTSE | NSO | Olympiad
Complex tissues are made of more than one type of cells. All these cells coordinate to perform a common function. Xylem and phloem are examples of such complex tissues.
Xylem consists of tracheids (water conduction in gymnosperm), vessels (sideways conduction of water in branches), xylem parenchyma (store food & is only living cell) and xylem fibres (supportive). Tracheids and vessels have thick walls tubular structure to transport water and mineral vertically, and many are dead cells when mature.
Phloem is made up of five types of cells: sieve cells (tubular with perforated walls), sieve tubes, companion cells (no perforated cell wall), phloem fibres and the phloem parenchyma. Phloem transports food from leaves to other parts of the plant. Except phloem fibres, other phloem cells are living cells



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Muscle Tissue @0:27
Blood Tissue @0:31
Brain Teasers! @0:41
Cell Tissue @0:54
Plant Tissue @3:00
Permanent Tissue @3:39
Meristematic Tissue @4:47
Simple Permanent Tissue @9:30
Collenchyma @11:06
Sclerenchyma (T.S) @12:17
Epidermis @13:32
In Aerial Plant @13:53
Cork Cell @16:00
Cell Wall @16:23
Complex Permanent Tissue @17:28
Xylem @18:49
Phloem @20:17
Companion Cells @21:47
Animal Tissue @22:12
Epithelial Tissues @24:03
Simple Squamous Epithelium @25:40
Stratified Squamous Epithelium @26:18
Simple Epithelium Tissue @26:52
Columnar Epithelium Cells @27:01
Ciliated Columnar Epithelium @27:25
Cuboidal Epithelium @27:47
Glandular Epithelium @28:01
Connective Tissues @28:16
Bone @29:33
Cartilage Tissue @30:35
Areolar Tissue @31:08
Adipose Tissue @31:37
Muscular Tissues @32:19
Skeletal Muscles @32:28
Smooth or Involuntary Muscles @33:42
Cardiac Muscle @33:07
Nerve Tissues @34:43
#Tracheid #Parenchyma #Epidermis #Phloem #Cytoplasm #Contraction #Meristematic #Muscle #Intercalary #Dislocated #Manishika #Examrace

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