1) Red blood cells would flow out of the wound, and then get stuck together by platelets and fibrin. Platelets would patch up the wound by becoming sticky and activating the process to produce fibrin. White blood cells would attack bacteria and remove debris.
2) RBCs are the most common type of cell found in the blood, with each cubic millimeter of blood containing 4-6 million cells.
3)first check that you and the casualty aren't in any danger, and, if possible, make the situation safe. The call emergency numbers when its safe to do so. And carry out first aid. If a person isn't breathing normally after an incident, call an ambulance and start CPR straight away. Use hands-only CPR if you aren't trained to perform rescue breaths.
bacteria can live in hotter and colder temperatures than humans but they do best in a warm moist protein-rich environment that is pH neutral or slightly acidic
