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  • (a) Write the correct sequence of steps followed during journey of oxygen rich blood from lungs to various organs of human body. (b) What happens when the system of blood vessels develop a leak ?   <div style="float:left; w

(a) Write the correct sequence of steps followed during journey of oxygen rich blood from lungs to various organs of human body.
(b) What happens when the system of blood vessels develop a leak ?

 

 

 

 
 
 
 
 

Answers (1)

a) Firstly blood from right atrium enters the right ventricle and then pulmonary arteries carry deoxygenated blood from the right ventricle to lungs for the process of oxygenation. Then two pulmonary veins from each lung pass oxygen-rich blood to the left atrium. Blood enters left ventricle from the left atrium. The left ventricle pumps blood into the aorta which in turn branches and delivers blood to the major organs of our body.

b) Whenever blood vessels or our circulatory tubes get damaged or get punctured then blood starts to leak into the surrounding tissues which lead to accumulation of blood. This condition is called as hematoma.

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Safeer PP

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