Circulatory System :
All well developed organism has the circulatory system .Human has well organised circulatory system .Now , what is circulatory system ? Circulatory system is the system present in living organism which transfer fluid , nutrients , vitamin , minerals ,etc to all parts of body of an organism .The circulatory system works like circuit which join one organ to another .Human is most specific example by which circulatory system can be explained,
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Human circulatory system :
In human all organs are connected to each other with the help of circulatory system .The circulatory system transfer all essential component i.e vitamin , minerals , nutrition , protein , oxygen , etc to all organs throughout the body with the help of fluid i.e blood which flow all over body through blood vessels .The blood while flowing throughout our body get deoxygenated and this blood is purified by the heart and make that blood oxygenated .There are two type of circulation takes place in our body .
a) Blood circulation :
The blood flows in the body with the help of blood vessels and circulate the blood to all parts of the body .The blood supply oxygen , nutrition ,vitamin , minerals ,etc to all organs and also take carbon dioxide and waste matter towards out of body direction .
b) Heart circulation :
The circulation of blood takes place in heart .In heart the blood which is deoxygenated circulated in different chambers of heart and being purified.
- Question based on topic :
1) What is circulatory system?
2) Explain human circulatory system.
3) How many types of circulation takes place in human body?
4) Give an importance of circulatory system.