Molecules such as ____ and _____ dissolved in water may dissociate into charged ions, _______.
An _____ is a substance that when it ionizes in a ____-based solution, it increases the number of ___ in a solution.
H+ / Hydrogen ions / protons
A _____ is a substance that when it _________ in a water-based solution, it ______ the number of H+ in a solution.
pH is the _______ of the concentration of _________ in a solution.
It can be easily measured by a _____.
protons / H+ / hydrogen ions
If blood pH rises over 7.45 that means that the concentration of ______ goes _______.
Is blood pH over 7.45 in-range or out-of-range?
Our body's organic molecules, especially _______ may not function when the pH is changed.
We need to balance pH in our bodies because _____ ____ release waste products that can change pH.
Also the _________can change the pH in our cells and fluids.
food we eat
pH scale ranges from _______.
pH = _____is neutral
pH greater than ____is basic.
acidic pH is anything _________
0 to 14
less than 7
What happens when H2O combines with CO2?
What does acidosis mean?
The increase in protons has decreased blood pH below 7.35
Difference in pH scale between 2 and 3 signifies a difference of ___. pH measures what? __
Solution with pH 2 is ten times more _____ than a solution of pH 3.
if a solution A is 100 times more concentrated than solution B than the pH difference is __.
10 times / protons
A buffer is a ______.
It functions to _____ the change in pH when a ___ or ___ is added to solution.
Add acid to a buffer and the buffer will combine with _____ and help _______ the pH.
It is the _____ in the buffer which binds H+
Carbon dioxide is produced as a waste product during cell respiration.
If the body cannot get rid of CO2 it will combine with ______ in the blood and lower the blood pH.
Lungs regulate the amount of _____ in the blood.
And the kidneys regulate the amount of ______ ions in the blood.
bicarbonate / HCO3-
Add a _____ to a buffer and the buffer will release H+ to maintain the pH.
Most buffers consist of a weak acid and weak base
It is the ____ that releases H+ to maintain pH.
3 main buffer systems of the body*
What 2 organs regulate the amount of
CO2 and HCO3- in the blood?
Give the formula that summarizes the
reaction of CO2 and H20 in the blood.
CO2 + H20 H2CO3 H+ + HCO3-
Lungs remove CO2
Kidneys remove HCO3-
Name some diseases that cause acidosis.