Both warm-up and cool down exercises can help prevent injuries associated with workouts. They allow the heart rate to increase and decrease slowly which prevents light headedness and also improves blood flow to the muscles.
1) Stretching before and after a workout allows for all of the above.
2) A. they are a ballistic stretching exercise
3)D. never
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Answer: This experiment has two factors.
Explanation:
This experiment has two factors in it. These two factors are: One is normal/ vegetarian diet and other is unrestricted /restricted salt diet.
The condition that is kept in the experiment are kept varying and the results are recorded in order to check whether vegetarians can lower blood pressure by their diet or not.
So, here in the experiment there are two factors on which the experiment is based on.
