The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products like carbon dioxide. The three basic components of the circulatory system include blood, blood vessels, and the heart. Bloood is pumped by the heart and then flows through the vessels – a net work of interconnecting arteries, arterioles, cappilaries, venules, and veins – back to the heart. With each rhythmic pump, blood is pushed under high pressure and velocity away from the heart, which create a blood pressure on the walls of the vessels.
Determine the marrow puncturing point
Pithing spinal cord and relaxed legs of the frog after pithing correctly
Intestinal mesentery preparation
Mesenteric membrane under an optical microscope 10X
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