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What percentage of the cells in your body are bacteria cells? 22%, 56%, or 63%
approximately 56%
Where is most of the bacteria located in your body?
digestive tract
What is the total weight of bacteria in your body? half a pound, 1 pound, 2 pound
approximately less than half a pound
What are the two main types of cells?
prokaryotic and eukaryotic
How many pounds of skin cells do we lose every year? approximately 9 pounds, 27 pounds, or 80 pounds
approximately 9 pounds
How many human cells are in the human body? millions, billions, or trillions
trillions
Which organelle helps the sea otter to stay warm?
mitochondria
What types of cells in the otter did scientists study to learn more about their metabolism? skin cells, muscle cells, or blood cells
muscle cells
Are otters endothermic or ectothermic?
endothermic
Which human cells are the most abundant in the human body? red blood cells, skin cells, and bone cells
red blood cells - 80% of human cells
