Author Question: The ________ (tailbone) is a group of several small vertebrae that are NOT individually numbered. ... (Read 72 times)

fox

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The ________ (tailbone) is a group of several small vertebrae that are NOT individually numbered.
 
  Fill in the blank(s) with correct word

Question 2

A/An ________ is a hollow sphere of cells that expands and contracts with each breath.
 
  A) alveolus
  B) bronchiole
  C) diaphragm
  D) parenchyma



canderson530

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Answer to Question 1

coccyx

Answer to Question 2

A
Explanation: A) Correct
B) The bronchiole is not a hollow sphere of cells.
C) The diaphragm is not a hollow sphere of cells.
D) The parenchyma consists of all the alveoli, not just one.



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