How much blood does the human body contain? a. 1-3 pints b. 8-10 pints c. 12-14 pints d. 17-20 pints

The answer is . 8-10 pints

Explanation:

The body of the adult human contains Between 8-10 pints of blood.

The volume of blood in an average adult also account for its body weight.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.