Answer:
Explanation:
These are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
Bacteria lives on the outside of foods, especially raw meats. When you cook a steak, you kill the outside bacteria making it safe to eat the pink insides since it won't be exposed to any bacteria. Hamburgers however are made of ground meat which, since it's ground, has been exposed to more bacteria. The meat is packed in a hamburger patty, but the inside has still been exposed to bacteria. You fully cook hamburgers to kill any lingering bacteria inside and out of the patty.
A teen health and social life will be affected if tested positive for HIV by having less friends, taking more precautions, and having less communication with others because no one would want to get near an HIV teen
17 year old dies while riding in car with friend who was intoxicated