(q5) pH and its purpose

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Last updated 4:37 PM on 7/7/26
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13 Terms

1
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(acidic or alkaline):

  • more hydrogen ions (H+)

acidic

2
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(acidic or alkaline):

0-6

acidic

3
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what increases in blood as it gets more acidic

hydrogen ions

4
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(acidic or alkaline):

  • removes hydrogen ions (OH-)

alkaline

5
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(acidic or alkaline):

  • 8-14

alkaline

6
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(acidic or alkaline):

  • 7

neutral

7
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what is the process for how ph is controlled

  • co2 increases

  • hydrogen ions increase

  • blood becomes acidic

  • signals sent to medulla oblongata

  • brain regulates intercostal muscles and diaphragm

  • rate and depth of breathing increases

  • blood pH stabilize at 7.4

8
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Ph control process:

  • hydrogen ions (increase or decrease)

increase

9
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Ph control process:

  • blood is initially alkaline or acidic

acidic

10
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Ph control process:

  • signals are sent to…

medulla oblongata

11
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Ph control process:

  • brain regulates….

diaphragm

intercostal muscles

12
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Ph control process:

  • rate of breathing (incrases or decreases)

increases

13
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Ph control process:

  • when blood pH stabilizes, its level is

7.4