The short answer is, it creates a hole in whatever it hits. Some bullets (hollow points) will generally expand and become jagged and make bigger holes than non-hollow points.
Yes, it's quite possible to survive from bullet wounds at any time including the 1920's, it all depends what injury the bullet causes, a flesh wound in the arm, leg, buttocks etc. is not usually fatal, if the bullet hits a vital organ such as the heart or brain, causes serious internal injuries or the wound becomes infected then you are in trouble.
In a penetrating head injury, an object such as a bullet fractures the skull and enters brain tissue.
Simple answer, it makes a hole and the blood all comes out the hole. More detailed answer, a fired bullet carries a lot of energy, destroys tissues and structures along its path and causes traumatic injury.
Yes- depending on the injury caused by the bullet. Not every gun shot is a fatal shot. However, any gunshot CAN be a fatal one. People can die at once, or at a later time from the injury, or from infection that results from the wound.
either as a closed head injury, such as the head hitting a car's windshield, or as a penetrating head injury, as when a bullet pierces the skull.
The lieutenant is wounded in the story because a bullet hits his arm during a battle. The injury causes him to be taken off the battlefield and receive medical treatment.
The grooves in the barrel.
Why not? Whoever causes an injury should be sued.
Only if the chest injury causes you to hit your head.
Ballistic spindrift is when the spin imparted on the bullet causes a drift in the direction the TOP of the bullet is spinning in.
spinal crush injury
What causes it to rotate is the rifling in the barrel. What causes it to continue to rotate after it leaves the barrel is centrifugal force.