The number of red blood cells per cubic millimeter of blood is apporoximately 5.5 million . If the average body contains 5 l of blood  , what is the total number of red  cells in the body ? (1 litre =100000 mm3 )

Asked by Sanjay | 18th Apr, 2017, 07:56: PM

Expert Answer:

begin mathsize 14px style The space average space body space contains space 5 space straight L space of space blood.
Also comma space the space number space of space red space blood space cells space per space cubic space millimetre space of space blood space is space approximately space 5.5 space million
Blood space contained space in space body equals 5 space straight L equals 5 cross times 100000 space mm cubed
Red space blood space cells equals 5.5 cross times 1000000 space mm cubed
Blood equals 5.5 cross times 1000000 cross times 5 cross times 100000
equals 55 cross times 5 cross times 10 to the power of 10
equals 275 cross times 10 to the power of 10
equals 2.75 cross times 10 to the power of 12 end style

Answered by Rashmi Khot | 19th Apr, 2017, 02:13: PM