WebApr 11, 2024 · The Class 9 Chapter 6 Science notes will begin by describing the meaning of tissues and how they are formed. It is just a group of similar or different cells combining to serve a particular purpose or function. Tissues are broadly divided into two types, plant tissues and animal tissues. WebClass 9 CBSE Notes; Class 10 CBSE Notes; Class 11 CBSE Notes; Class 12 CBSE Notes ... Give the BNAT exam to get a 100% scholarship for BYJUS courses. Open in App. Solution. The correct ... Explanation for correct answer: A lymphatic system comprises a network of vessels, organs and tissues that work together to move watery fluid which is …
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WebThe type of junctions not found in animal tissues are. Which of the following statements about cell junctions are correct? (iv) Adhering junctions provide cementing to keep neighbouring cells together. (v) Gap junctions provide cytoplasmic channels between cells for passage of ions, small molecules and sometimes big molecules. WebIn humans, ABO is regulated by three alleles known as IA, IB, and IO. Here I refers to haemagglutinin, i.e., a group of glycoproteins responsible for blood clotting. IA and IB are codominant, producing antigens of Type A and Type B respectively. They are shifted to the surface of RBCs whereas the IO is recessive, producing no antigens. ha stilus van minden van
Lakhmir Singh Solutions Class 9 Biology Chapter 3 Tissues - BYJUS
WebThe connective tissue cells are freely arranged in a matrix and are widely distributed in the body. Different types of connective tissues include areolar tissue, adipose tissue (fat), blood, bone, and cartilage. Except for blood, all other cells secrete collagen (elastin) which offers elasticity and flexibility to the tissues. CBSE Class 9 Science Notes on Tissues: Download PDF. Introduction to Tissues. Tissues. Tissues are a group of cells that combine together to perform a particular function. To know more about Tissues, visit here. Plant tissues. Plant tissues are of various types and they are made up of similar types of cells. See more To know more about Plant Tissue System, visit here. Animal Tissues Epithelial Tissues Epithelial tissues are seen on the outer layer of a body … See more Squamous Epithelium Squamous epithelium form an extremely thin and flat layer of tissues. They are semi-permeable and thus, perfect for … See more Nervous Tissue Nervous tissue makes up the entire brain, spinal cord and nerves of the body. They are responsible for all sensations, consciousness, memory and emotion. Further reading: Nervous Tissue Neurons These are … See more Striated/Skeletal Muscles All the voluntary movements in our body are carried out by the striated or skeletal muscles. They are called skeletal … See more WebTissue is a collection of similar cells that work together with intercellular substances to perform a specific function in multicellular animals. Animal tissues are divided into four groups: epithelial tissue, connective tissue, muscle tissue, and neural tissue. Muscular tissue: Muscle fibers are tiny, elongated cells that make up the muscle. pvc k value 50