EASY
7th CBSE
IMPORTANT
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Oxygenated blood, from the lungs, flows into the left atrium and then to all other parts of the body. 

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Important Questions on Transportation in Plants and Animals

EASY
7th CBSE
IMPORTANT
Arteries carry the oxygen-deficient blood, back to the heart. 
EASY
7th CBSE
IMPORTANT
The red color of the blood is due to the presence of plasma. 
EASY
7th CBSE
IMPORTANT
Urine is passed out of the body through the urethra. 
EASY
7th CBSE
IMPORTANT
A process, that helps in transportation, in unicellular organisms is _____.
EASY
7th CBSE
IMPORTANT
The blood vessels, having thick, elastic walls, are called —