Changes

A [[circulatory system]] that allows the blood to flow out of the [[blood vessel]]s and into various body cavities so that the cells are in direct contact with the blood.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia

An '''Open circulatory system''' is a [[circulatory system]] that allows the blood to flow out of the [[blood vessel]]s and into various body cavities so that the cells are in direct contact with the blood.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia

Educational Ministries, Inc. 1998</ref>

Educational Ministries, Inc. 1998</ref>

==See also==

==See also==

*[[Closed circulatory system]]

*[[Closed circulatory system]]

==References==

==References==

<references/>

<references/>

[[Category:Biology]]

[[Category:Biology]]