I'm not sure that this is 400 words but this is what I came up with.
Answer:
that's so true. and the world is still sort of like that, since some people don't have health insurance and they still have to pay with cash up front
Start an IV for fluid resuscitation and put his on a heart monitor
Answer: Muscularis
Explanation:
The muscularis is responsible for the segmental contractions and peristaltic movements in the body. It is responsible for gut movement such as peristalsis. For example, when you are swallowing something, the muscularis tissue contracts to help push down the food into the stomach.
Hope this helps! Good luck! <3