Answer:
The sympathetic division.
Explanation:
There are two divisions of the autonomic nervous system. The sympathetic division is one of them. The sympathetic division works to prepare the body in stressful emergencies by engaging all the organism's resources so that they can respond to a threat. Another division of the autonomic nervous system is the parasympathetic division. It directs the body to store energy for use in emergencies.
Answer:
does not meet the requirements of something that is "alive"
Explanation:
In order for something to be considered or clasified as "alive", they would need to have each and every one of the 8 characteristics of being alive. Missing one would ultimately not classify it as being "alive" in accordance to the very definition of that word. These 8 characteristics are the following.
- cellular organization
- reproduction
- metabolism
- homeostasis
- heredity
- response to stimuli
- growth and development
- adaptation through evolution.
Of these 8 characteristics, Quartz crystals only exhibit response to stimuli, growth and development, and reproduction, but does not exhibit the rest of the characteristics and is therefore not classified as "alive"
For decades, scientists believed that the atmosphere of early Earth was highly reduced, meaning that oxygen was greatly limited. Such oxygen-poor conditions would have resulted in an atmosphere filled with noxious methane, carbon monoxide, hydrogen sulfide, and ammonia
The answer would be Prevents reflux of air back into the chest
Pneumothorax happens if there is hole between the visceral pleura and parietal pleura which normally have negative pressure. This allow the air slip out into the space, prevent the lungs to expand. Chest tube is placed in the pleura to remove the air while the water seal the tube so the air from atmosphere won't go inside.
