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Closed or open circulatory system in crab?
Frogs have a double circulatory system, which means that circulation goes from the heart to the lungs (where it becomes oxygenated), then returns to the heart, then is pumped to the rest of the body (which takes the oxygen), and then returns to the heart. They have a closed circulatory system, which means that the blood travels through the body in vessels. Frogs have a three-chambered heart.
Example of animals with closed circulatory system?
Mammals including humans have closed circulatory systems, as do most vertebrates. Some invetebrates also have closed systems. Examples of open circulatory systems are most arthropods, including molluscs and crustaceans and insects.
Where do Alaskan king crabs live?
In Europe.
What is the largest of all the crabs?
Alaskan King Crab
How many eggs do Alaskan crabs lay?
500-1000
Does Alaska export crabs?
Yes it is a major Alaskan export.
What do Alaskan king crab eat?
http://www.adfg.state.ak.us/pubs/notebook/shellfsh/kingcrab.php Pretty much snails, shellfish, mussels, clams, worms, other crabs...
Do crabs have intestines?
yes crabs do have intestines because in order for them to have a digestive system you need intestines to help digest foods
Where is the king crab festival in Alaska?
Alaskan king crab can be caught in Auletian Islands, islands in Alaska region. Another places where the crabs can be caught are in Russia and also international waters.
What type of food is Alaska famous for?
some alskan food areAlaska's cold water seafood large game animalsAlaskan salmon moose, caribou, elk, or bearAlaskan king crab
How long do the animal snow crabs live?
The Alaskan Snow Crab has a very short adulthood. The do not reach maturity until they are 6 or 7 years old; the average lifespan is around 10 years.
Are blue crabs vertebrates?
In order for a living organism to be classified as a vertebrate it must have a backbone, a central nervous system that is partly enclosed by this backbone, and also a muscular system. Silverfish are insects and crabs are crustaceans, both invertebrates, they lack a backbone.
