Dictionary » C » Closed circulatory system

Closed circulatory system

a system of internal transport in which the blood is confined to vessels.


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Grasshopper energy and oxygen needs

Grasshoppers hve ineffective open circulatory system if matched to earthworm but grasshopper is much more ... but not able to understand anything, cause I thought closed circulatory systems were more advantageous.

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by Ayeshaa
Mon May 28, 2012 1:00 am
 
Forum: Ecology
Topic: Grasshopper energy and oxygen needs
Replies: 1
Views: 2205

Re: How does....

... provide internal transportation (e.g., open or closed circulatory system, number of heart chambers) or provide internal coordination ...

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by Cristgonz
Thu Nov 15, 2007 9:57 pm
 
Forum: Botany Discussion
Topic: How does....
Replies: 5
Views: 3624

How does....

... provide internal transportation (e.g., open or closed circulatory system, number of heart chambers) or provide internal coordination ...

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by harrypotter101
Mon Oct 29, 2007 4:30 pm
 
Forum: Botany Discussion
Topic: How does....
Replies: 5
Views: 3624

help with sponges, cnidarians, mollusks, and echinoderms!!!

what type of nervous system does a sponge have? how do cnidarians carry out respiration? and what type of circulatory sytem do they have (closed, open, diffusion, etc.)? do mollusks have an open circulatory ...

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by mebcooch2
Fri Mar 16, 2007 12:53 am
 
Forum: Zoology Discussion
Topic: help with sponges, cnidarians, mollusks, and echinoderms!!!
Replies: 4
Views: 3454

Help figuring out what animals these are.

... The group is characterized by a water-vascular system, a skeleton consisting of calcite plates ... They have an chitin exoskeleton, an open circulatory system, a bilateral symmetry and six ... using their gills. Their exoskeleton can be closed by contracting muscles while a ligament keeps ...

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by Biology2006
Fri Jun 09, 2006 1:13 pm
 
Forum: Zoology Discussion
Topic: Help figuring out what animals these are.
Replies: 11
Views: 7617


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