In simple term, Heart can be stated as the organ which pumps the blood and circulates the blood throughout the body and It prevents the back flow of blood from the left ventricle into the left atrium.
<u>Explanation:</u>
The Heart spreads the blood to our human body through two ways the right side and left side.
Right side:
The right atrium receives the deoxygenated blood from our body than the right atrium contracts and then blood passes to the right ventricle.
Left side:
To the other side of the pulmonary vein, the newly oxygenated blood moves to the left atrium.
Then the left atrium contracts and it pushes the blood to the left ventricle, then left ventricle becomes full it then contracts and pushes the blood back to the body.
The answer is B. chemicals. the reason its b is because A= bacteria but u have to clean the bacteria in the water so its not A and its not c. becouse that will be just turning the ice into water .so the answer is b. becouse we use chemicals everyday to get rid of bacteria and waste
A car is purchased for Rs 348000. Its value depreciates at 10% per annum during the first year and at 20% per annum during the second year. What will be its value after 2 years? Ans-Rs 250560.
