18. The sixth Sense

1.According to the selection, more than half of a person’s body is composed of______.

A)involuntary muscles

B)muscle fibers

C)sensory nerves

D)voluntary muscles

2.Intelligent use of the muscles means that______.

A)one improves muscular action consciously

B)one always knows what his muscles are doing

C)one’s muscles are used only to the extent necessary for each action they perform

D)one performs simple actions without working

3.An average woman is weaker than average man because she has______.

A)60 to 70 percent less muscle for her body mass

B)only 60 to 70 percent as much muscle for her body mass as man’s

C)less muscle fiber for her body weight

D)more voluntary muscles than an average man

4.Which of the following statements is implied but not stated?

A)Muscular sense involves automatic perception.

B)There are more than 500 involuntary muscles in the body.

C)Muscle tissue is inflexible.

D)The muscular sense is more important than any other sense.

5.According to the passage, the muscular sense is responsible for______.

A)the normal breathing function

B)the work of only our involuntary muscles

C)directing our muscles intelligently

D)the efficiency of our muscles