If a doctor wanted to be sure that a patient's urinary system is working properly, what would be the best indicators to investigate?

If one of your friends tries to get you to stay out later than your curfew, you should: a. go along with it because your parents are too strict anyway. b. yell at them about what a stupid idea it is. c. say you don't want to, but if they insist, you stay. d. tell them that you're going home, but they can stay out if they want to.

Diagram the passage of food through the digestive system. label the organs involved in digestion and absorption and identify the sites where carbohydrates, proteins, and fats are digested.

Why is the first step in responding to life-threading situations to assess the situation?