domingo, 16 de diciembre de 2018

Circulatory system


FUNCTIONS

The blood circulatory system is very important. It transports nutrients and oxygen throughout the every part of the body. The system is comprised of the heart and blood vessels.

INFORMATION

The circulatory system is made up of the heart muscle and the miles and miles of blood vessels that circulate blood throughout the body.

Among the blood vessels, veins are the vessels that carry blood toward the heart, and arteries carry blood away from the heart.


ILLNESSES

1.Thalassemia


2. Heart attack


3.Angina


PARTS





The principal parts are:


1 Veins

2 Arteries

3 Heart

Others: Blood cells and blood vessels


RELATIONSHIP

The circulatory system is connected to many other systems. One of them is the respiratory system. The connection between these two systems is at the lungs. The air you take in, eventually goes into a sac-like structure, called alveoli. Surrounding the alveoli are blood vessels filled with deoxygenated blood. What happens is, carbon dioxide from your red blood cells diffuse into the alveoli. In exchange, oxygen from the air diffuses back into the cells for it to be oxygenated again. This course of action is called gas exchange.



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