Category: SCHOOL EDUCATION
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Class 9th – MUSCULAR TISSUE
Muscular tissue consists of elongated cells which are called MUSCLE FIBRES. Muscles contain special Protein called contractile proteins. The contractile proteins are Actin and Myosin. The role of contractile protein is contraction and relaxation and thus helps in Movement. STRIATED MUSCLES They are voluntary in nature. I.e. they move according to our will. So also…
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Class 9th – Connective Tissue – Bone
BONE Bone is a connective tissue. It forms the framework that supports the whole body. It also anchors the different muscles and supports all the main organs of the body. It is a strong and non-flexible tissue. Matrix: hard matrix and is composed of calcium and phosphorus compounds. It consists of Tendon Ligament Cartilage…
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Class – 9th : Connective Tissue – Blood
FLUID MATRIX: PLASMA FUNCTIONS OF BLOOD: Blood flows and transports: Gases Digested food Hormones Waste materials to different parts of the body. Blood carries oxygen as oxyhaemoglobin with the help of RBC.