Write about blood and what are the features for an effective tran… - Vidyadip

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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