Question

When a human donor gives a pint of blood, it usually requires how many weeks for the body RESERVE of red corpuscles to be replaced? Is it:b

a) 1 week

b) 3 weeks

c) 7 weeks

d) 21 weeks

Answer 1

When a human donor gives a pint of blood, it usually requires 7weeks for the body RESERVE of red corpuscles to be replaced.