Environmental Sciences, asked by Mandal801, 1 year ago

Why is blood needed by all the parts of a body?
NCERT Solutions for Class 7th Science Chapter 11 Transportation in Animals and Plants Page 132 Exercise Question 9

Answers

Answered by Anonymous
68
because it contains the digested food and oxygen in it. It supplies the oxygen and digested food to various parts of the body to provide essential energy to them which helps the body to perform various functions........

hope its help u...
Anonymous: plss mark it as best
Answered by vanshikabakshi
37
blood is needed by all the parts of the body because it carries oxygen to all the part of the body and also carry carbon dioxide back to the lungs it carries digestive food to various parts of the body for absorption it contain platelets which help in the clotting of blood
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