choose the word from the box below to make the sentence true write your answer on the answer sheet
the circulatory system is made up of the heart and a network of (1)_________that distribute (2) _______to the body containing dissolved(3)______ (4)_______blood flow into the heart through the(6)________and out of the heart through the (7)_______creating of force against the arterial walls. for this reason the walls of the arteries are stitch and (8)_____in order to observe the blood (9)_____the veins on the other hand have thinner walls in as much as most of the pressure is lost in the capillaries instead they are equipped with (10)______to prevent the block flow of blood arteries and veins are connected by microscopic tube called (11) it is here words old food and gases are exchanged between the blood and the (12)______

________words___________

arteries, blood, capillaries, cells, food, pressure, oxygen, elastic, antibodies, tubes, veins, valves​