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Author Question: An oxygen level of ________ is required for normal breathing. A) 19.5 B) 16.5 C) 25.5 D) ... (Read 91 times)

stephzh

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An oxygen level of ________ is required for normal breathing.
 
  A) 19.5 B) 16.5 C) 25.5 D) 10.5

Question 2

Ligaments attach bones to:
 
  a. muscles. c. cartilage.
  b. bone. d. tendon.



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braelync

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Answer to Question 1

A

Answer to Question 2

b




stephzh

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Reply 2 on: Jul 3, 2018
Thanks for the timely response, appreciate it


xiaomengxian

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Reply 3 on: Yesterday
Excellent

 

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