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valentinak56 [21]
3 years ago
10

Explain why too much coffee might increase your heart rate.

Biology
2 answers:
kondaur [170]3 years ago
7 0
Coffee has a lot of caffeine in it. caffeine increases your level of epinephrine. Epinephrine is also known as adrenalin. epinephrine can increase blood pressure, increase the contractility or force of the heart, and mildly increase the heart rate.
Monica [59]3 years ago
3 0
<span>Most individuals consuming moderate amounts will experience few, if any, negative side effects. Caffeine may increase heart rate, body temperature, blood flow to the skin & extremities, blood pressure, blood sugar levels, stomach acid secretion and production of urine (diuretic).

Hope this helps. :)</span>
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Answer:

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When true breeding black and white guinea pigs are mated to give F1 progeny:

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F2 progeny has 3/4 progeny as black (BB and Bb) . Out of them 1/3 are homozygous and 2/3 are heterozygous.

Hence, 1/3 of black F2 progeny will be homozygous.

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