Gross Anatomy of the heart labeling. Would anyone be able to help me with this and let me know if I’m correct and what would be number 4 by 11:40 pm I'm not sure but I'm thinking that would be the pulmonary trunk if I'm correct. I would really appreciate it thank you so much

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!