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soldier1979 [14.2K]
3 years ago
15

The heart is made of _______________ muscle which means “______________________ or “____________________________________________

__”
Biology
1 answer:
EastWind [94]3 years ago
5 0

Answer:

The heart is made up of heart muscle known as Cardiac muscle, or myocardium This contracts almost 70 times a minute and pumps about 5 liters of blood each minute.

Explanation:

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