A technique that detects lung cancer earlier than X-rays do is

A. MRI.
B. cell analysis.
C. spiral CT scans.
D. blood test.


C. spiral CT scans.

Health & Biomechanics

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______________ includes the activities, abilities, and characteristics that a culture has deemed appropriate for us based on whether we are male or female.

A. Gender identity B. Stereotype C. Self-concept D. Gender role

Health & Biomechanics

________ are the body's own natural pain relievers

Fill in the blank with the right word.

Health & Biomechanics

Blood from the left ventricle goes to the:

A) heart B) lungs C) whole body D) kidneys

Health & Biomechanics

Upon quitting, a former smoker reduces his or her chance of heart attack by:

a. 50% in the first year. b. nearly 100% in 2–3 years for women. c. nearly 100% in five years for men. d. all of these choices

Health & Biomechanics