Which of the following is true of cigar smoking?
A. Most cigar smokers inhale the smoke.
B. Cigars present a rather low cancer risk.
C. Cigars contain more nicotine than cigarettes.
D. Cigar smoke is less harmful than cigarette smoke.
C. Cigars contain more nicotine than cigarettes.
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oophoritis : ____________ of an ovary
Fill in the missing word in the definition for the key term.
Three different types of muscle tissue are:
A) skeletal, smooth, and cardiac. B) smooth, voluntary, and neural. C) striated, cardiac, and involuntary. D) striated, voluntary, and skeletal.
Which plasma proteins function as antibodies in the immune system?
A) alpha globulins B) gamma globulins C) beta globulins
Which of the following is found in amino acids but not glucose or free fatty acids?
a. carbon c. nitrogen b. hydrogen d. oxygen