BISAYA23
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Help me pls Grade 4 science
Mark brainliest if you put proper explaination
nonsense=report​

Help me pls Grade 4 scienceMark brainliest if you put proper explaination nonsensereport class=

Respuesta :

It’s D bc it’s the only one that completely makes sense between all the answer choices. With lack of oxygen the cardiovascular system slows down the heart rate.

•Can’t be A bc periodontal disease is for teeth and gums
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