P3- Outline the Gross Structure of All the Main Body Systems

Topics: Blood, Reproductive system, Heart Pages: 4 (979 words) Published: April 29, 2013
P3- Outline the gross structure of all the main body systems

Cardiovascular system
Purpose- the purpose of the cardiovascular system is to carry blood throughout the body. To carry to the organs and other areas of the body that needs it. To carry gaseous wastes to the respiratory system so that is can get rid of them Main organ- heart, blood vessels, blood. The heart is one of the most important organs in the entire human body. It is really nothing more than a pump, composed of muscle which pumps blood throughout the body, beating approximately 72 times per minute of our lives. The heart pumps the blood, which carries all the vital materials which help our bodies function and removes the waste products that we do not need. For example, the brain requires oxygen and glucose, which, if not received continuously, will cause it to lose consciousness.


Respiratory system
Purpose- the purpose of the respiratory system is to get oxygen from the air into your blood and get CO2 (carbon dioxide) from your blood into the air. Main organs- The main organs of the respiratory system are the nose, pharynx, trachea, bronchi, and lungs. Your lungs make up one of the largest organs in your body, and they work with your respiratory system to allow you to take in fresh air, get rid of stale air, and even talk. Let's take a tour of the lungs!


Digestive system
Purpose- The main purpose of the digestive system is the breakdown of foods and waste elimination
Main organs- main organs of the digestive system are mouth and salivary glands, esophagus, stomach - churn food, liver - help in digesting fat, pancreas - secrete digestive fluid, gallbladder - stores material liver produces, Small intestine - digestion happens here, colon - turns waste solid, rectum and anus. The pancreas is located deep in the abdomen, sandwiched between the stomach and the spine. It lies partially behind the stomach. The small...

Bibliography: http://wiki.answers.com/Q/What_is_the_main_purpose_of_the_skeletal_system
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