Fill in the blanks.
(i) The blood from the heart is transported to all parts of the body by the [[1]] .
(ii) Haemoglobin is present in [[2]] cells.
(iii) Arteries and veins are joined by a network of [[3]] .
(iv) The rhythmic expansion and contraction of the heart is called [[4]] .
(v) The main excretory product in human beings is [[5]] .
(vi) Sweat contains water and [[6]] .
(vii) Kidneys eliminate the waste materials in the liquid form called [[7]] .
(viii) Water reaches great heights in the trees because of suction pull caused by [[8]] .

Question

Infinity Learn · Accepted Answer

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

(ii) Haemoglobin is present in red blood cells.

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

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

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

(vi) Sweat contains water and salts .

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

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

Detailed Solution