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Don't think so, jellyfish?

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Q: Do all animals have veins and arteries?
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Related questions

Do pigs have pores in their skin?

Yes, all mammals have veins in order to carry blood to the heart. Yes, as much as humans


What are the similarities between arteries and capillaries and veins?

Veins, capillaries and arteries is that they are all stops for blood.


Name three blood vessels?

the three blood vessels are the Veins capillaries Arteries the arteries.


What are facts about veins and arteries?

If you gather all the veins and arteries together in your body, then it could wrap around the earth, twice!There are some veins and arteries that are smaller than a price of your hair!


What do arteries and veins drain?

Arteries drain (pump blood) into veins. Veins drain into your lungs and heart to be re-oxygenated. (This is not true for veins and arteries to and from your lungs.)


How long is all the veins arteries and capillaries combined?

The total length of all arteries, veins, and capillaries in an adult human body is more than 100,000 kilometers.


What is the difference between the blood in the arteries and the blood in the veins?

Veins do not pulsate Arteries pulsate Veins can easily collapse Arteries do not collapse (except in shock) Veins contain valves Blood pressure is low in the veins and higher in the arteries


What material surrounds veins and arteries?

Cellulose is what surronds veins and arteries.


What is the correct sequence of the veins and arteries?

the arteries carry oxygen rich blood to all parts of the body. the veins return the blood to the heart to get oxygenated


Arteries are distinguished from veins based on all what features except?

Arteries carry blood that has been oxygenated from to the heart to other parts of the body. Veins carry blood that needs to go to the heart to be purified. Arteries are thick, veins are thin.


What is the difference between muscle in veins and arteries?

Thee difference between muscle in veins and arteries is that muscles of arteries are thicker compared to those of veins.


What two ways are veins structurally different from arteries?

blood travels away from the heart through arteries and blood travels to the heart through the veins