Organisms And Population Question 228
The efficiency of the heart decreases with age so the heart pumps about 40-50% less blood per minute in comparison to young age
Options:
20%
40%
65%
85%
Show Answer
Answer:
Correct Answer: C
Solution:
The efficiency of the heart decreases with age, so the heart pumps about 65% of blood per minute in comparison to young age (30 years).
So the blood supply to various organs is also decreased e.g.
80% to brain and 40-42% to the kidney.
BETA
