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The body requires more oxygen during physical activity. Blood carries oxygen to the muscles and organs. The heart moves the blood. So the heart beats faster to move the oxygen-carrying blood to the muscles.

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14y ago
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13y ago

During extrenous activities, blood is pulled to parts of the body or organs that are being used the most. The heart beats faster due to the heart pumping blood out throughout the body faster due to the body needing it quicker.

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15y ago

In order to transport more oxygen to the muscles, where aerobic respiration takes place to convert O2 and glucose into energy and carbon dioxide, necessary for participating in the sport.

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14y ago

because they are more fit and healthy and well trained

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Q: Why is it necessary for the heart to beat faster when doing physical activity?
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Related questions

When would you need to respire faster?

When doing exercise/a physical activity. I hope this is what you were looking for!


What is the different between physical activity and physical fitness?

Physical activity is the things you are doing, like jogging, exercises or even just normal activity. Fitness is how well your body is able to do these things, how capable you are of doing them. So the physical activity of walking could be difficult to do if your physical fitness is not good.


Why is doing physical activity healthy for you?

it burns your calories


What is one benefit to lifelong physical activity?

You enjoy doing the activity and want to continue doing it for a long time.


Is it bad when your doing a physical activity and you cant see or hear?

Obviously.


How can physical activity contribute to lifestyle balance?

it contributes to lifestyle balance by burning your fats and making you fit. If you do no physical activity you won't be able to burn fat and you will gain weight. With doing physical activity you can also gain friends.


What is each element of the FITT model and its description?

Frequency: The number of times a person engages in physical activity in a week.Intensity: How hard you work at the physical activity each time you are physically active.Time: The duration or amount of time you spend doing the physical activity.Type: The kind of physical activity in which you participate.Type-What kind of physical activity you participate inTime- How long you spend doing each physical activityIntensity- How much energy you exert each time you work outFrequency-How many times you exercise in a week


What is a personal physical activity goal?

Doing ten push-ups befroe bed ....


Why do you breathe faster when your doing an activity?

Because your muscles require more oxygen when active, therefore, the lung must go faster to increase your intake.


How do you get your pulse up?

You can get your pulse up by doing a physical activity, such as lifting weights, jogging/running, or doing more exercise than what you are currently doing.


A physical activity that you like spending time doing and can do now and for the rest of your life is called a what?

Lifelong


A physical activity that you like spending time doing and can do now and for that rest of your life is called a?

Lifelong