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What are the two tubes found in plants transport system?
Water-carrying tubes and food-carrying tubes
What are the "tubes" in the human circulatory system?
Blood vessels
Blood from the lungs moving to the heart is also known as...?
Oxygen-rich blood
Blood moving from the heart to the lungs is known as...?
Carbon-dioxide rich blood/oxygen-poor blood
Name four substances being carried by the blood?
Oxygen/Carbon Dioxide/Water/Digested food
Fish don't breathe in oxygen; how do they get oxygen?
Dissolved oxygen in the water passes through the gills and oxygen is taken in.
Is it true that plants only take in carbon dioxide and gives out oxygen?
No. During respiration, plants take in oxygen and give out carbon dioxide.
How do gases move in and out of the plants?
Through the tiny openings on the leaves.
What is the function of heart?
To pump blood to all parts of the body.
What is the function of blood vessels?
To transport blood throughout the body.
