Question and answer
The human cardiovascular system is considered closed because __________. A. blood is continuously circulated in the body. B. blood provides nutrients to organs. C. blood collects oxygen from the lungs D. there are no holes for blood to enter or leave the system
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Asked 11/14/2014 9:09:16 AM
Updated 11/14/2014 9:39:54 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by Janet17 [11/14/2014 9:39:47 AM], Confirmed by Janet17 [11/14/2014 9:39:54 AM]
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User: The human cardiovascular system is considered closed because __________. A. blood is continuously circulated in the body. B. blood provides nutrients to organs. C. blood collects oxygen from the lungs D. there are no holes for blood to enter or leave the system

Weegy: The human cardiovascular system is considered closed because : there are no holes for blood to enter or leave the system.
jeifunk|Points 36810|

User: How many chambers does the heart contain? A. 3 B. 4 C. 5 D. 6

Question
Asked 11/14/2014 9:09:16 AM
Updated 11/14/2014 9:39:54 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by Janet17 [11/14/2014 9:39:47 AM], Confirmed by Janet17 [11/14/2014 9:39:54 AM]
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5
There are 4 chambers of the heart. These are the 2 atria and the 2 ventricles.

Added 11/14/2014 9:35:53 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [11/14/2014 9:39:38 AM]
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