Blood urea nitrogen (BUN) is a measure of the amount of urea in the blood (R). It provides useful information about your health. The liver produces urea as a waste product of the digestion of proteins (R, R). Urea is a safe vehicle to get rid of excess nitrogen from the body.
Algebra is important for future employment opportunities in Californiaâs increasingly knowledge-based economy, even in jobs con-sidered to be âblue collar.â For example, an applicant must have passed Algebra I to enter an electrician apprenticeship program. But if students are aiming for college, algebra is essential.
1 Another reason why English is so important is that it is the language of science. 2  To excel in science you need to know English. 3  English is based on an alphabet and, compared to Chinese, it can be learned fairly quickly. Another reason why English is so important is that it is the language of science. 2  To excel in science you need to know English. 3  English is based on an alphabet and, compared to Chinese, it can be learned fairly quickly.