To move from centimeters to meters you need to move the decimal forward two times
"Brain" is the main sense organ for each 5 senses 'cause it acts on them, and send a information of task for in-rsponse
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The answer is Testicles (testes)
There are two types of cells. One is an animal cell, which has the mitochondria, and the other is a plant cell, which I believe does not have the mitochondria.
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You need organisms like some are in plants and without Plants how will the animals eat