It Keeps You Beating!

1. To which side of the body is the heart situated?
   
Right.
Left.
Center.

2. How many chambers does the human heart have?
   Two.
   Four.
   Eight.
3. What is the normal average heart beat rate in per minute?
   
72.
86.
50.
4. Why are humans called warm blooded?
   
Because human temperature remains the same despite variations in external temperature.
Because they get angry very fast.
Because only humans are known to get fever.
5. Heart attacks are usually preceded by another condition. Which?
   

Lung attack.
Angina.
Migraine.

6. A heart beat is basically caused by an external minute electrical current that originates in the:
   
Brain.
Heart itself.
Heartbeats are automatic and not dependent on electrical current.


7. What is the medical term for a heart attack?
   Cardiac asystole.
   Myocardial infraction.
   Cardiac failure.


8. What exactly happens in a heart attack?
   
The heart stops beating.
The blood supply to the heart muscle is blocked.
The heart beats but no blood is pumped.


9. Though the heart represents only 0.5 percent of the body weight, what percentage of the blood supply does it require?
   0.5 percent.
   5 percent.
   
2.5 percent.
10. The heart musculature is of a:
    Partly voluntary and partly involuntary type.
    Voluntary type.
    
Involuntary type.