What are components of circulatory system what are it function?
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Also known as the cardiovascular system, your heart, blood vessels andblood itself are three essential components the body needs to survive. The circulatory system consists of two circuits that bloodtravels through; pulmonary and systemic.
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heya !!!
Components of circulatory system are as follows :-
□HEART□
●It is the pumping organ that pumps out the blood into the blood vessels .
●A muscular organ whose size is as big as our fist .
●It is situated between middle of the lungs slightly tilted towards left .
●Humans heart is 4 chambered .
□BLOOD VESSELS□
There are 3 main types of blood vessels which are involved in the blood circulation.
■ARTERIES
☆They have thick , muscular and elastic walls , which carry blood at high pressure . They do not have valves .
☆They carry oxygenated blood from the heart to various organs of the body except pulmonary artery .
■VEINS
☆They have thin walls than arteries and carry blood at low pressure . They have valves to prevent the backflow of blood.
☆They collect deoxgenated blood from different organs of the body and bring it back to the heart except pulmonary vein .
■CAPILLARIES
☆Arteries divide into smaller vessels known as capillaries on reaching an organ r tissue. They walls of capillaries are one cell thick.
☆They help in exchange of materials between blood and surrounding cells that takes place across the thin walls of capillaries.
□BLOOD□
●It is a red coloured fluid connective tissue , which circulates in our body .
●The red colour is imparted by pigment called HAEMOGLOBIN in the red cells .
●The blood supplies nutrients and oxygen.
There are two types of blood that flow in our body :
☆OXYGENATED
☆DEOXYGENATED
hope it helps u dear ^_^
Components of circulatory system are as follows :-
□HEART□
●It is the pumping organ that pumps out the blood into the blood vessels .
●A muscular organ whose size is as big as our fist .
●It is situated between middle of the lungs slightly tilted towards left .
●Humans heart is 4 chambered .
□BLOOD VESSELS□
There are 3 main types of blood vessels which are involved in the blood circulation.
■ARTERIES
☆They have thick , muscular and elastic walls , which carry blood at high pressure . They do not have valves .
☆They carry oxygenated blood from the heart to various organs of the body except pulmonary artery .
■VEINS
☆They have thin walls than arteries and carry blood at low pressure . They have valves to prevent the backflow of blood.
☆They collect deoxgenated blood from different organs of the body and bring it back to the heart except pulmonary vein .
■CAPILLARIES
☆Arteries divide into smaller vessels known as capillaries on reaching an organ r tissue. They walls of capillaries are one cell thick.
☆They help in exchange of materials between blood and surrounding cells that takes place across the thin walls of capillaries.
□BLOOD□
●It is a red coloured fluid connective tissue , which circulates in our body .
●The red colour is imparted by pigment called HAEMOGLOBIN in the red cells .
●The blood supplies nutrients and oxygen.
There are two types of blood that flow in our body :
☆OXYGENATED
☆DEOXYGENATED
hope it helps u dear ^_^
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