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Please respond to this post in 150 words as a student. “I agree..” alone is not acceptable. Add to the conversation by sharing another viewpoint or adding more information through a source.
“Through the circulatory system, our body uses an intricate system to transport vital nutrients to the body to regulate and maintain homeostasis throughout the body. The circulatory system is composed of the heart, blood, veins and arteries. The respiratory system is the system that essentially helps you breathe. It is comprised of the nose, trachea, lungs, the diaphragm and intercostal muscles (muscles between your ribs). Both systems comes into great importance when conducting exercise due to the stress that is place on the body and the need for the organs of the body to get blood and other nutrients at a much faster rate.
When exercising, the cardiovascular system experiences a spike in heart rate as exercise intensity increases. When performing steady state exercise, your heart rate will rise but will eventually reaches a true steady state. When performing intense exercise, your heart rate will continue to rise as power output, or intensity, continues to rise and you will end up fatiguing in 3 min or less. The same applies for stroke volume, cardiac output and blood pressure. As exercise intensity increases, stroke volume, cardiac output and blood pressure increase in order to support the demands of the body.
During exercise, tidal volume increases as the rate of breathing increases. The body needs more oxygen to support its functions and needs to remove carbon dioxide at a higher rate. Minute ventilation also increases during exercise. Minute ventilation refers to how much air we either inhale or exhale in one minute. The increase in ventilation volume is directly proportional to increases in the amount of oxygen consumed and carbon dioxide produced per minute by working muscles. Same logic applies to breathing frequency. As your muscles work harder, your body uses more oxygen and produces more carbon dioxide and to cope with this extra demand on your body, your breathing has to increase in order to support that.
This all makes sense because as the body is under more and more stress during exercise, the more nutrients they are going to need at a faster rate. As intensity rises, so dies the need to nutrients like blood and oxygen throughout the entire body.”