People would keep doing the same investigation over and over again and no one would know who did what
Answer:
D.
Explanation:
A is incorrect because that would likely be the least stressful event with the most control. B is incorrect because it is predictable and you can brace yourself for either a good or bad event. C is incorrect because it is unpredictable, which is stressful, but can be controlled, which makes it less stressful. This leaves us with D because it is unpredictable and cannot be controlled, which leaves the most to chance and does not give you an idea of what the outcome might be.
We have heard about Respiration. In human beings, respiration is a cellular activity which takes place in the presence of oxygen and in result produces carbon dioxide. Jamal model is a clear manifestation of that process. Medulla is the region of a brain that controls the respiration activity. When we breathe we take in oxygen and the excess amount of carbon dioxide is removed from out body.
Brains cells have capability to detect the carbon concentration in blood and add excess amount of carbon from body to the air.
In the oral cavity. The salivary glands secrete salivary amylase that digests starch to Maltose. Chewing of food is also needed in this process so that the food bolus can continue in the digestive system