1.

The diagram shows a vertical section through the heart.What are the functions of the numbered blood vessels?Carries bloodto bodyCarries bloodto lungsCarries bloodfrom lungsCarries bloodfrom body(a)1234(b)1342(c)2431(d)3142A. (a) B. (b) C. (c) D. (d)

Answer»

1- pulmonary artery 

2- vena cava 

3- aorta 

4- pulmonary vein



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