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How did the circulatory and respiratory systems evolve into what they are now?

How do other animal's circulatory and respiratory systems compare to our own?

What do underwater creature's respiratory systems look like?

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how do the circulartory+repritory system work togeteher? huh?

what is the structure+Function?]

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how do they know what to do
brain
what do they need to do what they do   blood

what is the Respiratory System conecet to

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What is the Circulatory system?
the heart and veins and arteries and capillaries and blood
How does it work?
the heart pumps the de oxed blood in and lets it go to the lungs to oxed and then it goes to the body
How do the systems work together?
heart to lung ,heart to body, heart to heart

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how dose the Circulatory and Respiratory Systems work together

how dose it remove waste

why dose it and how do it circulate nutrients in your body

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How exactly do they work together?
Why is it so important to remove waste from your body?
Are these two body systems in charge of anything else?

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How do they work together?

What do they do if one system fails?

How important are the systems functions?

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How do they both work together-

What makes them able to do this-

How does it work- The circulatory system goes through the two loop system and the blood vessels.

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Is there timming involved?
If so what happens when your body is thrown off rythem?
why do we use oxagen instead of co2 like plants?
why oxagen?

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How does the circulatory system remove waste?

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How does the circulatory system remove waste?

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How does the Circulatory system work? (in detail.) It transports blood in short.

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How does the Circulatory System Work?
What organs are in the Circulatory System?

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What happens if a blockage appears in any of the Organs
What happens when your body shuts down to the Organs.
What is the powerhous of the systems
You can die if not treated emmidatley.

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How do plant and animal systems compare to our own?

What is the circulatory system?

How do they work together?

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how many organs are in the Circulatory system.

how does it remove waste

how long does it take

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How does the Circulatory System Work?

Does The Circulatory system use diffusion or osmosis?

If so, how does it use them?

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What is the Circulatory system?

How does it work with the respiratory system?

What happens if it fails?

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How dose the circulatory an respiratory systems
colect wast

What was the circulatory an respiratory systems like in a single cell organism.

What happens when the the circulatory an respiratory systems shutdown.

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How do the systems work together

How do they remove wast in our bodies

Are there more systems that might work with these

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how do they work together?
were is the circulatory system?
is it in both plants and animals?

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The Circulatory and Respiratory Systems work together to circulate nutrients in your body and remove waste.