<span>The heart contains four chambers: upper left atria, upper right atria, lower left ventricle and the lower right ventricle. Oftentimes, the right atria and right ventricle are together referred to as the "right heart" and the left atria and left ventricle are referred to as the "left heart", however there are still four separate chambers.</span>
Explanation:
Oxygen does not enter the body except due to some diseases and loss of consciousness, and then the patient uses a ready-made ventilator
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Answer:
<u>Enzymatic Reaction can b affected by: </u>
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* Temperature
* pH
*enzyme concentration
substrate concentration
* presence of any inhibitors or activators.
Explanation:
