Circulatory System
Respiratory System

What changes happen to respiratory system during exercise?

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Answered 2011-10-04 14:14:12

it works harder to draw in as much oxygen as the heart pumps more blood to circulate faster.

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Pulmonary ventilation is 6 liters/minute in resting individual. You have a respiratory rate of 12/minute and tidal volume of 500 ml/minute. During heavy exercise tidal volume increases from 10 % of vital capacity to about 50 % of vital capacity. And respiratory rate increases from 12 to about 40 to 45/ minute. Thus increasing the pulmonary ventilation to about 100 liter/minute.

they get emotional. and moood swings.

Short Term The muscle cells in the body will use up more oxygen and produce more Carbon dioxide. The lungs will have to work harder to provide Oxygen and also remove Carbon dioxide. There will be an increase in breathing rate at the body will be trying hard to get as much oxygen as possible and to minimize the amount of oxygen debt. This will also happen after exercise as well as the body will have to repay the body's oxygen debt. Respiratory RateDuring Rest: 14 per minute During Exercise: 32 per minute Volume per breathe During Rest: 0.4 litres During Exercise: 2.4 litres Minute Volume During Rest: 5.6 litres During Exercise: 76.8 litres Long Term The muscles of the respiratory system such as the diaphragm and the intercostals muscles get stronger. This is so that they can make the chest cavity larger. Having a larger chest cavity means that you can also have a increased Vital capacity. This is because more air is able to be inspired. More capillaries are formed around the alveoli so that more gaseous exchange can take place and so that it is easier for it to happen. Gas exchange will also be able to happen more quickly meaning that exercise can be maintained at a higher intensity for longer.After about a minute of hard (meaning makes you sweat) exercise your body has used all the stored oxygen so the respiratory rate increases. This is working the respiratory system so really the Diaphragm is having to contract and expand faster in order to force more air in and out of the lungs at a faster makes your lungs have a larger capacity.

You have to be confident about your self. You have to remember that these changes are for the good and keep a positive attitude.

The pressure in the pulmonary artery increases during exercise if the cardiac output increases.

The pituitary gland releases hormones (estrogen for girls and testosterone for boys). These hormones cause the changes that happen during puberty

Behavioral changes that may happen to boys and girls during puberty, is that they may have bigger attitudes. They may struggle with self esteem, and may become rebellious.

The most important change is the reproductive system becoming fertile. Also there are many emotional changes .

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There is no answer it is an opinion, your opinion; Depending on what you think.

During puberty, there are many behavioural changes. Some people become loners while some people thrive in groups. The way of thinking also changes a lot.

el nino is mostly that the changes that happen are the air pressure changes cause the winds to blow from east to west.

Girls need to feel happy and proud about what is happening to them during puberty because the changes that occur will prepare them to be adults and have a family.

The respiratory system cannot function without the windpipe.

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He should not feel bad about the changes. Because these change are very important for us.

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1 of the most challenging questions in human history

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