What are some of the ways that bacteria are important for your health?

Me with this i need to get the answer quickly.

At 2: 00 am, a 17-year-old boy, accompanied by his 19-year-old girlfriend, had driven to the bar to give his father (who had been drinking large amounts of alcohol) a ride home. on the way back, they were involved in a motor vehicle collision. the boy has a large laceration with profuse bleeding on his forehead. his girlfriend is unconscious in the front passenger floor. the father is standing outside the vehicle, appearing heavily intoxicated, and is refusing care. what is the best way to gain consent to begin care when his father has an altered mental status or is unconscious? a. phone his mother for consent. b. call his grandparents for consent. c. it is a true emergency, so consent is implied. d. you are covered under the good samaritan laws.

Answer in a couple of paragraphs, 1 or 2 at the most if anything! 20 points + brainliest--> explain what all the systems in your body do to work together < --list of systems needed: circulatory systemrespiratory systemdigestive systemexcretory systemnervous system