Question

Observe the given image of knee bones showing arthritis and answer the following questions.
i) Which connective tissue can likely be added between the bones to ease the movement of joints? (ii) How does it differ from the bones chemically?

Answer 1

Answer:

i) Cartilage - connective tissue

ii) The inorganic composition of bone (bone mineral) is primarily formed from salts of calcium and phosphate, while the composition of a cartilage substance consists of collagenous fibers (chondrin) and ground substance.

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Answer 2

Explanation:

Explanation:

Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame. The rate or speed at which the reactants combine is high, in part because of the nature of the chemical reaction itself and in part because more energy is generated than can escape into the surrounding medium, with the result that the temperature of the reactants is raised to accelerate the reaction even more.

Answer 3

Explanation:

Explanation:

Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame. The rate or speed at which the reactants combine is high, in part because of the nature of the chemical reaction itself and in part because more energy is generated than can escape into the surrounding medium, with the result that the temperature of the reactants is raised to accelerate the reaction even more.

Answer 4

Explanation:

Explanation:

Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame. The rate or speed at which the reactants combine is high, in part because of the nature of the chemical reaction itself and in part because more energy is generated than can escape into the surrounding medium, with the result that the temperature of the reactants is raised to accelerate the reaction even more.

Answer 5

Explanation:

Explanation:

Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame. The rate or speed at which the reactants combine is high, in part because of the nature of the chemical reaction itself and in part because more energy is generated than can escape into the surrounding medium, with the result that the temperature of the reactants is raised to accelerate the reaction even more.