What is the function of the enzymes produced by the small intestine?

add nutrients
protect lining of small intestine
add fluid
speed up chemical breakdown

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.  

answer; (b) i believe its metabolic rate of the patient; plz check first