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AlexFokin [52]
3 years ago
15

How much physical activity should an adult have each week?

Health
2 answers:
IrinaK [193]3 years ago
3 0

Answer:

Adult should do at least 2 hrs and 30 min each week of aerobic physical activity at a moderate level.

baherus [9]3 years ago
3 0
Exercise 3-5 times a week ranging about an hour or two
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In cardiac muscle, calcium ions do not bind to troponin molecules. calcium ions are not released from the sarcoplasmic reticulum
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Option). about 20 percent of the calcium ion required for contraction comes from outside the cell.

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