Class 7 - Science - Transportation in Animals and Plants
Transportation in Animals and Plants
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 ______.