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Class 7 - Science - Transportation in Animals and Plants

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Transportation in Animals and Plants

Question 2:

Fill in the blanks.

(i) The blood from the heart is transported to all parts of the body by the______.

(ii) Haemoglobin is present in ______ cells.

(iii) Arteries and veins are joined by a network of ______.

(iv) The rhythmic expansion and contraction of the heart is called ___ _ _.

(v) The main excretory product in human beings is ______.

(vi) Sweat contains water and ______.

(vii) Kidneys eliminate the waste materials in the liquid form called ______.

(viii) Water reaches great heights in the trees because of suction pull caused by ______.

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