24. How does hemoglobin\'s oxygen affinity change in response to increased body
ID: 3507937 • Letter: 2
Question
24. How does hemoglobin's oxygen affinity change in response to increased body temperature? At the molecular level, what two things are happening to hemogloon affinity? tAclug ckelsalmuelee ebase huat, which i a hypratuct ot ndta 25. Which chemical do the chemoreceptors of the body respond most strongly to, in order to morn kosiu right s ini tiate the adjustment of respiratory rate? What chemical has the second greatest stimulatory effect on the body's chemoreceptors? Third-most? Which chemoreceptors (Central)or peripheral) play the largest role in sensing changes to CSF and blood levels of respiratory gases and acids?Explanation / Answer
The chemicals which respond to chemoreceptors to adjust respiratory rate starting with the strongest is follows:
1.The CO2 gas
Increase in carbon dioxide levels trigger the central central chemoreceptors to send nerve impulse to respiratory
muscles, increasing the breathing rate.
2.The H+ ions in blood
Increase in hydrogen ions in blood trigger the peripheral chemoreceptors to send nerve impulse to repiratory
muscles, increasing the breathing rate.
3.The O2 gas
Low levels of oxygen triggers the peripheral chemoreceptors to send nerve impulse to stimulate respiratory
muscles, increasing the ventilation.
The central chemoreceptors in the medulla are responsible for sensing changes to the cerebrospinal fluid(CSF) and levels of respiratory gases and acids.
The peripheral chemoreceptors located in the arteries are responsible for sensing blood levels of respiratory acids and gases.
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