Answer:
b) to block the parasympathetic system, which is commonly hyperactive.
Explanation:
to block the parasympathetic system, which is commonly hyperactive. it block the action of a neurotransmitter called acetylcholine which inhibits nerve impulses responsible for involuntary muscle movements and various bodily functions un the treatment of overactive bladder to chronic obstructive pulmonary disorder.
If Savanah has been diagnosed with panic attacks and her doctors are using this machine which will beep once her heart rate speeds up in order for her to be able to lower and control it better, this means that they are most likely using a biofeedback machine. These type of machines work exactly like mentioned in the question and have been used for things like these.
Answer:
Gas exchange is crucial to sustain life because it rids the body of carbon dioxide and provides oxygen to the body.
Explanation:
Gas exchange in living beings is a mechanism that involves the incorporation of oxygen (O₂) into the organism and the elimination of carbon dioxide (CO₂). This exchange takes place in the pulmonary alveolus and in cells and tissues.
- <em><u>During respiration, the inspired air - loaded with O₂ - is exchanged with the CO₂ contained in the blood, taking advantage of the former and eliminating the latter during expiration</u></em><em>.
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- <em>When the oxygenated blood is taken to the tissues, O₂ is passed to the cells, which are deprived of the CO₂ produced by metabolism.
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The reason why gas exchange is crucial for the sustain of life is because it is the mechanism that allows the entry of O₂ necessary for cellular functions, as well as providing a means of CO₂ elimination.
