Lactic Acid secretion is when the oxygen supply in the cells is scarce. In relation to myocardial infarction explain the lactic acid secretion inside the heart. Explain briefly using simple english.

Read the excerpts from samuel johnson’s preface to a dictionary of the english language. which statement best describes the use of the underlined word in the excerpts? in excerpt 1, it refers to personal growth, while in excerpt 2, it suggests the physical act of moving. in excerpt 1, it refers to personal growth, while in excerpt 2, it suggests scientific discoveries. in excerpt 1, it refers to societal advancement, while in excerpt 2, it suggests the gradual march of time. in excerpt 1, it refers to societal advancement, while in excerpt 2, it suggests steps toward a particular goal.