to function ur blood system the right way.
Yes your heart is a living thing because it never stops beating until you are dead.
No, bacteria are considered living things and they do not contain blood vessels.
the same thing all veins do, it returns blood to the heart and circulation , arteries take blood to the body
Yes it is. Red blood cells are living inside of you.
It is important because without it, there can be no living thing. Living organisms need oxygen to exist.
Of course! sleep is important for every living thing.
Leaf cells and blood cells are alike because they both are living organisums, that were prodced by a living thing.
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its nice to be important but is more important to be nice
nothing animal because all animal are living thing and non living things are not
every living thing has white blood cells they kill viruses
its nice to be important but is more important to be nice