Give reasons for :
(i) Oxygenated and deoxygenated bloods are separate in the heart of mammals.
(ii) Ventricles are thick walled.
(iii) Herbivores have longer small intestine as compared to carnivores.
CBSE Class X Science SA 2 (3 Marks)
Answers
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(i) This allows a highly efficient supply of oxygen, and meet their high energy needs (as they are
warm-blooded animals).
(ii) Because they have to pump blood throughout the body or into various organs.
(iii) To allow cellulose to be digested.
(ii) Because they have to pump blood throughout the body or into various organs.
(iii) To allow cellulose to be digested.
Answered by
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Answer:
(i) This allows a highly efficient supply of oxygen, and meet their high energy needs (as they are warm-blooded animals).
(ii) Because they have to pump blood throughout the body or into various organs.
(iii) To allow cellulose to be digested.
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