PART - 2 CH - 5 Life processes — Science STD 10 — Question
Gujarat BoardEnglish MediumSTD 10SciencePART - 2 CH - 5 Life processes3 Marks
Question
Write about blood and what are the features for an effective transport system.
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Answer
Blood is a red colour fluid connective tissue. $\rightarrow$ It consists of a fluid medium called plasma in which cells are suspended. $\rightarrow$ Blood cells are red blood corpuscle (erythrocytes), white blood corpuscle (leucocytes) and platelets. $\rightarrow$ Plasma transports food, carbon dioxide, salts and nitrogenous wastes in dissolved form. Oxygen is carried by red blood corpuscles. The features for an effective transport system are as follows: (1) A pumping organ to push blood throughout the body. (2) A network of tubes to reach all the tissues. (3) A system in place to ensure this network can be repaired if damaged.
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