The circulatory system

this is the all body for the circulation system.

1.
http://www.biology4kids.com/files/systems_circulatory.html
thgey talk about the circulation have two kinds of the way the older circulation of the animals body the circulation most is the open.then they're bodies are blood are circulation in the animals or insects.then the more of the animals are better o the open the circulation.It is the closed circulation better.Because the closed circulation is control the bodies will not the blood full the bodies a place so much.there will to safely for the closed circulation.the circulation system can help you for the carried the blood or some of importent substance.then it possible will the 02 and the CO2 will to change to come in the body and other will go out the body.then they will to the brain and the intestine and more the organ to need the circulation system to help then the body can keep work.then the organs the running must all with the circulation to bring the blood and the substance to in your body.there will to importent to the digest and the make the some endocrine system that all will with the circulation system.The circulation system is the control center is the heart there are four room they are call the left atrium,right atrium,left ventricle,and right ventricle.then the left ventricle come out the blood is fresh.then it will come to the left atrium then down to the right atrium.and bigan to the left atrium.there is the most the blood low and not fresh.It also use tube and the arteryto bring the substance.then this is the closed circulation system.It will the atrium and ventricle change to close and open.this is the circulation system.


this is the heart looks like.

2.
http://kidshealth.org/kid/htbw/heart.html#
the older people say the people will exciting scare it will from the heart.but now the people is find the feeling ti is all the brain to give the bodies the feeling.In your heart is use the muscle not the organ it has the alot muscle for the legs and arm.then the heart are the cirulation to carried the substance and the blood to the all of the body organ and the muscles.you have the heartbeat because the heart are push and wide there will the blood to out of the heart then the carried the tube is the arteries.so the heart are working everyday the all the time.along to the person dead.then there are the right ventricle,left ventricle,left atrium,right atrium.will to the blood and the substance to carried to the body's any where then it will use the blood vessel and the artery to carried and the change the blood fresh and not fresh.the cells in the body there will must has the blood vessel and the artery to carried the substance and the oxygen.If there are not have the this stuff it will be the animals and the human to dead.If you want be your heart the strong you must do the be your tired excise.then the deal must healthy.then must the five way of the food must all same then the oil food don not eat so much.then do not smoke.It will break the body.If you do this things there were have a nice body and the circulation system.