All of you Plz.answer my question........The spammers plz. dont try to answer my questions as you spam I will delete you. Thanks those who helped me. ,..................
Answers
3) (i) MAIN MECHANISMS OF BLOOD :
◆ It carries oxygen from the lungs to all the body cells and carbon dioxide from the body cells to the lungs.
◆ It carries absorbed food from the small intestine to all body cells.
◆ It maintains the water-salt balance in human body (more clearly, body tissues).
◆ WBCs kill the germs that enter our body and thus protect us from diseases.
◆ It carries hormones from the endocrine glands to different organs of the body where they are needed.
(ii) The blood circulates twice through the heart for completing one round of the body. Thus, blood circulation in humans is also termed as "DOUBLE CIRCULATION".
(iii) The instrument which amplifies the sound of heartbeats while contraction and relaxation is a STETHOSCOPE.
_______________________________
⭐️ IF YOU LIKE MY ANSWER, PLEASE MARK ME AS BRAINLIEST MATE...............!!!!!!!!
⭐️ FOLLOW ME FOR MORE SOLUTIONS OF YOUR DOUBTS..........!!!!!!!!
⭐️ BE BRAINLY........!!!!!!!!
________________________________
(i) MAIN MECHANISMS OF BLOOD :
It carries oxygen from the lungs to all the body cells and carbon dioxide from the body cells to the
lungs. It carries absorbed food from the small intestine to
all body cells.
It maintains the water-salt balance in human body (more clearly, body tissues).
WBCs kill the germs that enter our body and thus protect us from diseases. It carries hormones from the endocrine glands to
different organs of the body where they are needed.
(ii) The blood circulates twice through the heart for completing one round of the body. Thus, blood circulation in humans is also termed as "DOUBLE CIRCULATION".
(iii) The instrument which amplifies the sound of heartbeats while contraction and relaxation is a STETHOSCOPE.
it is my new account older account varchasva was deleted