Organisms And Population Question 228
Question: The efficiency of heart decreases with age so heart pumps about …… blood per minute in comparison to young age
Options:
A) 20%
B) 40%
C) 65%
D) 85%
Show Answer
Answer:
Correct Answer: C
Solution:
The efficiency of heart decreases with age so heart pumps about 65% 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
