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Ray Of Light [21]
3 years ago
9

IN YOUR OWN WORDS, what is the definition for Down Syndrome?

Biology
1 answer:
sertanlavr [38]3 years ago
4 0

Answer:

A common birth defect that is usually due to an extra chromosome 21( trisomy 21) .

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Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. Involuntary reflex reaction to exposure or inexposure to light—in low light conditions a dilated pupil lets more light into the eye. :)
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Explanation:

For an activity to be vigorous, you need to work at 70 to 85 percent of your maximum heart rate, according to the American Heart Association. Examples of vigorous exercise include: running. cycling at 10 mph or faster

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<span>the Structureas that help regulate the body temperature are:

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