Question
Biology Question on body fluids and circulation
In a normal adult human, the average cardiac output (stroke volume) is
A
47 mL
B
70 mL
C
5L
D
3.3L
Answer
70 mL
Explanation
Solution
Stroke volume is the amount of blood ejected by the left ventricle in one contraction. The stroke volumes for each ventricle are generally equal, both being approximately 70 mL in a healthy 70-kg man.