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 .