At the end of the esophagus is a thick ring of a muscle called a sphincter which allows food to enter the stomach but not from the stomach back into the esophagus. Once the food enters the stomach it is mixed with the digestive juices.
Well too much oxygen can kill humans which is one. And 2 If the whole atmosphere was oxygen then things will burn easily.
Answer:
ergonomists or human factors engineers
Explanation:
Human factors ergonomists or engineers do not have a specific undergraduate degree, but it is important that these professionals have a satisfactory knowledge of anatomy, physiology, anthropometry, biomechanics, psychology, occupational disease, environmental risks, among other subjects. This is because the main function of these professionals is to analyze how people tend to use a product and its design, so that its use will be something natural.
More simply, we can say that these professionals apply their knowledge to improve workplace movements, work environments and training programs.
Answer:
Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple. Sugar with Benedict's solution. Protein with Biuret solution.Aug 10, 2020
Answer:
DNA extraction is the first step in the genetic engineering process. In order to work with DNA, scientists must extract it from the desired organism.
