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Cells in the Human Body. Estimates of the number of cells in the human body vary over an order of magnitude. Indeed, the precise number varies from one individual to another and depends on whether you count bacterial cells. Here is one way to make an estimate.
a. Assume that an average cell has a diameter of 6 micrometers (6 * 10-6 meter), which means it has a volume of 100 cubic micrometers. How many cells are there in a cubic centimeter?
b. Estimate the number of cells in a liter, using the fact that a cubic centimeter equals a milliliter.
c. Estimate the number of cells in a 70-kilogram (154-pound) person, assuming that the human body is 100% water (actually it is about 60-70% water) and that 1 liter of water weighs 1 kilogram.
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Chapter 3 Solutions
Using & Understanding Mathematics, Books a la Carte edition (7th Edition)
- An ice cream cone is filled with ice cream as shown. What is the volume of the ice cream? Use your calculator.arrow_forwardA basketball has a volume of about 455.9 cubic inches. Find the radius of the basketball (accurate to three decimal places).arrow_forwardCompute the number of cubic centimeters of iron required for the cast-iron plate shown. The plate is 3.50 centimeters thick. Round the answer to the nearest cubic centimeter.arrow_forward
- A leather soccer ball has an inside diameter length of 8.5 in. and thickness of 0.1 in. Find the volume of leather needed for its construction. Use your calculator.arrow_forwardFind the volume to the nearest tenth cubic millimeter of this object.arrow_forwardCompute the capacity, in liters, of the container shown. Round the answer to the nearest tenth liter. One liter contains 1000 cubic centimeters.arrow_forward
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