The doctor wanted to check jake's lung function. he handed jake a mouthpiece and asked him to bliw air into it. which equipment isnthe doctor using?

I think this is talking about a spirometer I'm not entirely sure tho

answer; /// i believe that the correct answer is (d); /// alternate walking and running;

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.