Parietal cells produce gastric acid (hydrochloric acid) in response to histamine (via H2 receptors), acetylcholine (M3 receptors) and gastrin (gastrin receptors). Parietal cells contain an extensive secretory network (called canaliculi) from which the HCl is secreted by active transport into the stomach.
B. They are determined by I, AB, A, or B
A master's degree<span> in orthotics and </span>prosthetics<span> is required to work as a </span>prosthetist<span>, along with a 1-year residency. During this </span>education<span> and </span>training<span>, students learn about various types of devices and get clinical experience. After completing these requirements, they </span>can<span> take the national certification exam.</span>
Answer: British authorities based their colonial commercial policies on the theory of MERCANTILISM.
Explanation: Mercantilism is the system whereby a country amass wealth for itself at the expense of another country. The prosperity of a nation depends upon its supply of capital, and that the global volume of trade is unchangeable. This is done by increasing export significantly and reducing imports. It was used by the British to significantly amass wealth by importing commodities to Africa in exchange for gold and other precious metals.