How come sometimes when you get hurt,you fill really dizzy?


Question:
Like if you fall on concreated you fill blank,or if you were knocked on the head with something.

Answers:
You've 'shocked' your brain.
It could result in a slight concussion.
But it's normal to be slightly out of sorts for a minute or two, depending on the nature of the injury and the impact force to the head.
If the disorientation lasts longer, get to the hospital and get checked.

Other Answers:
When your body suffers a sudden jar, jerk, or blow to the head, your brain often gets shaken inside your skull. It basically bounces your brain inside your skull like if somebody put you between two close walls and shoved you, making you hit them each a few times. The minor damage done can leave you stunned, disorientated, dizzy, nauseous, cause you to faint, confusion, and even up to memory loss, and other permanent damage when done repeatedly. That's why the great boxers that stay in the game a long time come out not quite right..too many blows to the head.
It depends on the type of injury. Most injuries even small ones can seem traumatic for your body who after all is only looking out for it's own self interest. So, whenever it sustains an injury it floods the blood stream with chemicals that could possibly "help" it respond to the injury or to escape further injury; such as Adrenalin exct. these chemicals as well as your emotions at the time may also change your heart rate either making it faster or slower. Most likely what you are experiencing is your rapid blood pressure change & the oxygen change in your blood stream as a result of all of this.


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