49.The blood vessels which carry
carbondioxide rich blood from all
parts of body back to heart:-
*
O A. Arteries
O B.Veins
O C. Capillaries
O D. Auricles
Answers
Answered by
0
Answer:
Capillaries
Capillaries are small, thin blood vessels that connect the arteries and the veins.
Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.
Answered by
7
Answer:
arteries these are pulmonary artiery and main artiery
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