Answer: In order to compensate for the low partial pressure of oxygen at altitude, the human body undergoes a number of physiological changes. A vital component in this process is the increase in the concentration of circulating haemoglobin. The role of HIF‐1α, erythropoietin and red blood cells in this acclimatisation process is described, together with the fall in plasma volume that increases the concentration of haemoglobin in the early stages of hypoxic exposure.
Explanation:
The answer is: the <span>epiglottis .
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A kind of trigger that is an effect which reminds a person of their habits and increases their desire for a substance is called:
D. External trigger
People, activities, places, and objects that elicit thoughts or cravings associated with substance use are examples of the external trigger.
Answer:
cpu ( central processing unit) is the brain of the computer
