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The circulatory, or cardiovascular system, is composed of A. heart, arteries and veins. B. lungs, heart and brain. C. heart, blood and blood vessels. D. lungs, blood vessels and heart.
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Asked 5/6/2012 1:40:40 AM
Updated 3/21/2014 2:36:55 AM
1 Answer/Comment
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User: The circulatory, or cardiovascular system, is composed of A. heart, arteries and veins. B. lungs, heart and brain. C. heart, blood and blood vessels. D. lungs, blood vessels and heart.

Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system.
migzptz|Points 5853|

User: Blood cells are made in which system? A. skeletal system B. circulatory system C. muscular system D. nervous system

Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system.
migzptz|Points 5853|

Question
Asked 5/6/2012 1:40:40 AM
Updated 3/21/2014 2:36:55 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by jeifunk [3/21/2014 2:36:55 AM]
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Blood cells are made in circulatory system.
Added 3/21/2014 2:36:52 AM
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Updated 11/4/2016 7:11:18 AM
2 Answers/Comments
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Added 11/4/2016 6:44:34 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [11/4/2016 7:10:24 AM], Rated good by Janet17
A group of organs that work together to perform a closely related function is called an organ system.
Added 11/4/2016 7:11:18 AM
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1 Answer/Comment
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Updated 11/4/2016 7:26:39 AM
4 Answers/Comments
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Added 11/4/2016 7:17:21 AM
This answer has been confirmed as correct and helpful.
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Added 11/4/2016 7:24:55 AM
This answer has been confirmed as correct and helpful.
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Added 11/4/2016 7:25:35 AM
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