Haemoglobin: hai! chlorophyll, how are you?
chlorophyll: fine thankyou we are not able to meet so often 
 heamoglobin :yes because you live in plants while i live in animals

chlorophyll: without me plants can't survive. i am a green pigment helping plants in photosynthesis process..hope you are not so important for animals

heamoglobin.don't speak like that. i am also very important.i carry oxygen from lungs to the rest of the body. so both are important and please stop your argument.

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Hey add this too...
Hae : hey !! y r u green in colour ?
chlo : ahh !! that one it is because of the presence of chloroplast