Transport in animals
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Define Heart
A pump that circulates blood through blood vessels
Define arteries
Blood vessel that carries oxygenated blood away from the heart to other organs rather than lungs
Define veins
Blood vessel that carry deoxygenated blood towards the heart, with the exception of the pulmonary vein
Define capillaries
the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins
Define semi-lunar valves
pocketlike structures attached at the point at which the pulmonary artery and the aorta leave the ventricles
Does mammals have single circulation or double circulation?
Double circulation
Does fishes have single circulation or double circulation?
Single circulation
How many muscular pumps is the heart made out of?
2
How is the 2 muscular pumps separated by?
A septum
Where does the blood from vena cava go to?
the lungs
Where does the blood from the semilunar valves go to?
the whole body
Does arteries have thicker walls than veins?
Yes