Biology, asked by Shubhankar1174, 1 year ago

How blood is purified and transfred in the human body?

Answers

Answered by shibanjojo
0
➡THE MAIN ROLE OF BLOOD IS TO
TRANSPORT OXYGENATED BLOOD
INTO BODY AND CARRY DE OXYGENATED BLOOD INTO LUNGS.

BLOOD IS PURIFIEYING IN THE FOOLOWING WAYS;

⚫THE DE OXYGENATED BLOOD(IMPURE BLOOD) CARRIES FROM TISSUES TO HEART THROUGH
VENACAVA.

⚫FROM THE HEART IMPURE BLOOD TRANSPORT TO LUNGS THROUGH PULMONARY ARTERY.

IN THE LUNGS THERE IS A SAC LIKE STRUCTURE CALLED ALVEOLI.WHICH HELP TO FILTER THE IMPURE BLOOD TO PURE BLOOD.

THE PULMONARY ARTERY ATTACHED TO ALVEOLI AND WITHINTHE ALVEOLI THE PURE BLOOD IS FILLED. FROM ALVEOLI THE PURE BLOOD MOVES TO PULMONARY VIEN (LOW CONC. OF PUER BLOOD)THROUGH EPITHELIAL TISSUE.

THE DEOXYGENATED BLOOD MOVRS FROM LUNGS TO OUT.
THE PURE BLOOD MOVE TO HEART THROUGH PULMONARY VIEN.THEN FROM AORTA TO TISSUE.
THIS IS A DOUBLE CIRCULATION.


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