Cellular and extracellular changes in old age causes change inQuestion 17Select one:a.B & Cb.Lifestylec.Physical appearanced.Decline in function

The question is asking about the changes that occur in old age due to cellular and extracellular factors.

Step 1: Identify the factors mentioned in the question. The factors mentioned are cellular and extracellular changes.

Step 2: Understand the options provided. The options are: a. B & C b. Lifestyle c. Physical appearance d. Decline in function

Step 3: Analyze the options and determine the correct answer. Based on the question, it is clear that the changes in old age are caused by cellular and extracellular factors. Therefore, the correct answer would be option a. B & C, which implies that both lifestyle and physical appearance are affected by these changes.

So, the answer to question 17 is a. B & C.