The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
Answer:
C
Explanation:
When your heart rate speeds up, you usually get hotter and start sweating, when you are exercising. This might take hours for you to realize because it happens so slowly. Fluid flows and your bloodstream goes a lot smoother, which can help lower the chances of blood clots. This is all because of a warm-up.
Answer:
The statement is "False."
Explanation:
Doing cardiovascular exercise is essential as doing strength training. Both have <em>different targets.</em> Strength training targets the <u>muscles of the body.</u> It promotes bone growth and makes you stronger. On the other hand, cardio exercise targets the <u>heart rate</u>. The more the heart pumps, the more oxygen the blood receives in the body.
Strength training gives you an<em> afterburn effect </em>that allows you to keep burning calories even after you workout, while cardio exercise allows you to burn more calories in a shorter span time–especially when you're doing <em>high-intensity exercise</em>.
Clearly, both strength training and cardio exercise are essential.
Well if you already have the silver stuff on your tooth the only way to get it out is if your tooth falls out or if the stuff scrapes off...or you could just lower the amount of sugar intake you have.
Hope I could help!!
