For Five Years,you Wake Up Before the Alarm Is Set

question 18

Multiple Choice

For five years,you wake up before the alarm is set to ring each morning.This leads you to conclude that all people have a built-in "alarm clock" capable of waking them up.From a science viewpoint,this conclusion

• A)is science because it is based on real observations.
• B)is science because it is predictive of what will happen tomorrow morning.
• C)is scientifically valid because 5 years × 365 days is a large number of trials.
• D)may not be valid because it generalizes about all people,and there may have been other variables that could awaken you without a built-in clock.
• E)cannot be scientifically tested because it involves human behavior.

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Definitions:

Azygos Vein

A vein running up the right side of the vertebral column that drains blood from the chest wall and upper limbs back to the heart.

Thorax

The part of the body between the neck and the abdomen, enclosed by the ribcage, and containing the heart and lungs.

Abdomen

The part of the body containing the digestive organs; in humans, it is bound by the diaphragm and the pelvis.

Oxygenated Blood

Blood that has been enriched with oxygen in the lungs and is pumped from the heart through the arteries to nourish the body.