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Home Q & A Board Biology-Related Homework Help General Biology
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bector215 bector215
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6 years ago
The average heart of a human beats ____ times per minute.
 
  a. 10
  b. 53
  c. 72
  d. 95
  e. 120

Question 2

When blood returns from the pulmonary circuit, it first enters which chamber of the heart?
 
  a. left atrium
  b. left ventricle
  c. right atrium
  d. right ventricle
  e. both the left atrium and the right atrium
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Ashestreen22Ashestreen22
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6 years ago
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bector215 Author
wrote...
#2
6 years ago
Thanks a whole bunch, all were right.
wrote...
#3
6 years ago
Thanks for confirming...
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