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  9. Q21
Question 21

The effect of the contraction of the muscles of the diaphram is that

  • A.he volume of the thoracic cavity increases.
  • B.more carbon dioxide is expelled through the nostrils
  • C.the rib cage is drawn inwards
  • D.the intercostal muscle becomes relaxed
Objective

Question details

Exam body
WAEC
Subject
Biology
Year
2001
Question no.
#21
Type
Objective
Previous · Q20Which of the following pairs of structures does not perform similar functions? Next · Q22 Which of the following is an excretory product of Amoeba?

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