Dilation of the pupil occurs when the smooth cells of the radial muscle, controlled by the sympathetic nervous system (SNS), contract. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts.
17 seconds hope that helps<span />
Answer:
DON'T LIE because it is better to tell the truth because if you don't you wont get in as much trouble and i'm 13 so its hard to tell the truth for me to them
Explanation:
"To completely close off the trachea , three times as much pressure (33 lbs.) is required. If strangulation persists, brain death will occur in 4 to 5 minutes.
Choking causes acquired brain injuries by depriving the brain of oxygen. There are a number of situations that can lead to choking and an ABI. These include: Food becoming lodged in the throat, etc.
Common Causes of Choking-
- eating or drinking too quickly.
- swallowing food before it has been sufficiently chewed.
- swallowing small bones or objects.
- inhaling small objects.
For food that is stuck in the throat or the food-pipe, you can try drinking some water to see if it can move down. However, if it is a bone that is stuck in the throat, do not attempt to remove it by yourself".
To learn more about Choking,
brainly.com/question/1723594
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