In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Comprehension:

It is very easy and harmless for a healthy person to donate blood. There is (1)______amount of five to eight litres of blood (2)______a healthy man. Giving (3)______a small quantity of this will not (4)______him any harm. The (5)______body is remarkable; whatever (6)______has been taken (7)______the body it is soon (8)______by new blood, (9)______the blood loss (10)______small.