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Ciculatory System Essay

735 words - 3 pages

Circulatory System
Introduction:
Exercising is one of the most important things in life to do to keep yourself in shape and healthy.

Circulatory system:
The circulatory system is made up of muscles and vessels that help the flow of the blood through the body. The process of which we know is called circulation. The main section of the circulatory system is the heart, capillaries, arteries, and veins.
As the blood begins its course circulating it will leave the heart through the left ventricle and go towards the aorta. The largest artery in the body is your aorta. Oxygen is one of the most important, because your cells need it so they can perform and work.
When it finally starts to ...view middle of the document...

The veins are the blood vessels that take the blood from the heart. After the oxygen and carbon dioxide has appeared, the veins will receive the blood from the capillaries.
Pulse:
The pulse is the rate that helps the heart beat. It is usually measured to obtain a person’s health. A pulse is caused by the stretching of the arteries. No matter how old or young you are your heart rhythm and pulse should always be regular. To find your pulse simply place your fingers on your wrist above the thumb. Another location on the body is where the temporal artery and at the carotid artery. Basically any place where there is a major artery. Here are some graphs of regular pulse rate of any age:
(Resting pulse rate)

|Babies to age 1: |100 -160 |
|Children aged 1 to 10: |60 -140 |
|Children aged 10+ and adults: |60 -100 |
|Well-conditioned athletes: |40 - 60 |

(Active pulse rate)
|Age |Target Heart Rate (HR) Zone (60-85%) |Predicted Maximum Heart Rate |
|20 |120 – 170 |200 |
|25 |117 – 166 |195 |
|30 |114 – 162 |190 |
|35 |111 – 157 |185 |
|40 |108 – 153 |180 ...

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