how many body cells does a human have and a dog ?

Answer 1

Some sources told us that the average adult human body is made up of "50 million million" (50 trillion) cells, while others put the figure closer to 10 trillion. Science NetLinks, a resource for science teachers, stated that there are approximately "ten to the 14th power" (that's 100 trillion) cells in the human body. http://ask.yahoo.com/20020625.html

For dogs, it depends on the type and the size

Answer 2

probably billions