During inspiration in mammals the
a. external intercostal muscles contract.
b. internal intercostal muscles contract.
c. external intercostal muscles relax.
d. internal intercoastal muscles relax.
e. abdominal muscles contract.
A
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Indicate whether the statement is true or false
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a. filum terminal b. denticulate ligaments c. chordae tendineae d. ganglia
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Answer the following statement true (T) or false (F)