The carbonic acid-bicarbonate buffer system:

If pCO2 rises in the blood:

An decrease in ECF pH is detected by chemoreceptors in the brain.  What is the response by the body to return pH to normal levels?

The respiratory membrane is efficient at gas exchange for all of the following reasons, EXCEPT:

The majority of CO2 that is generated by the cell (70%) will enter the capillary and red blood cell and then:

Most of the fluid we gain in our daily lives comes through consuming fluids and foods, however 10% of fluid gain can be contributed to:

Answer the questions or complete the sentences using the cell model image illustrated below. Are the chromosomes in the cell monad, dyad or tetrad in form? _______ What is happening in the circled region marked letter A? _______ What phase of meiosis is this? _______ What kind of cell does meiosis generate for the body? _______

Identify the labeled structures and answer the questions below: A: Identify the tooth _______ B: Identify the tooth _______ C: How many deciduous teeth does a person have during the lifetime? _______ (Note, there is no image label here – just answer the question) D: Identify the specific tooth part at the tip of the arrow _______

Identify the labeled structures on the image of the model below: A: _______ (structure underneath the letter A) B: _______ (structure within the yellow circle) C: _______

Identify the structure labeled A in the model image below: [sugarphosphatebackbone]