(i) What is the meaning of double circulation?
(ii) Draw representative line diagram of double circulation.
(i) The deoxygenated blood comes to the heart through veins. It is oxygenated in the lungs and comes back to the heart. From heart oxygenated blood is distributed to all parts of the body. Since blood flows twice through the heart in one cycle, it is called double circulation.
(ii) Representative line diagram of double circulation.
Fig. 6.22. Double circulation of blood in man
169 Views
