Question
What is the importance of heartbeats?
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Answer
The importance of heartbeats is that they pump blood throughout the body, supplying oxygen and nutrients to cells and removing waste products like carbon dioxide, which is essential for maintaining life.
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(ii) Breaking of complex food substances into simpler and soluble substances.
(iii) Removal of undigested and unabsorbed solid residues of food from the body.
(iv) Taking food into the body.
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