Question

Correct the following sentences by replacing the underlined words.
a)Urea is the main excretory product of birds, lizards etc.
b) Arteries are the vessels which carry carbon dioxide rich blood from all parts of the body back to the heart

Answer 1

Answer:

a) Urea is not main excretory product of birds, lizards etc.

b) Veins are the vessels which carry carbon dioxide rich in blood from all the parts of the body to the heart

Explanation:

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