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Author Question: Which of the following is the average normal adult rate of respirations? a. 812 b. 1420 c. 1624 ... (Read 55 times)

waynest

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on: Jun 25, 2018
Which of the following is the average normal adult rate of respirations?
 a. 812
  b. 1420
  c. 1624
  d. 2030

Question 2

The human heart is about the size of a _________.
 a. ping-pong ball
  b. quarter
  c. closed fist
  d. football


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chem1s3

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Reply #1 on: Jun 25, 2018
Answer to Question 1

b

Answer to Question 2

c
RATIONALE: The human heart is about the size of a closed fist and is triangular in shape. It acts as a pump to circulate blood throughout the body.


waynest

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Reply 2 on: Jun 25, 2018
Wow, this really help

xiazhe

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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