Where is partial pressure of CO2 the highest?
a. atmosphere
b. skeletal muscle
c. capillary bed in alveolus
d. alveolus (lung air sac)
Answer: b. skeletal muscle
You might also like to view...
During which phase of mitosis are the replicated chromosome aligned in the middle of the cell?
A) prophase B) anaphase C) metaphase D) telophase
Speciation is more likely to occur if the isolated population is large
___________ Indicate whether the statement is true or false.
During respiration most ATP is formed as a direct result of the net movement of
A. Potassium against a concentration gradient B. protons down a concentration gradient C. electrons against a concentration gradient D. electrons through a channel E. sodium ions into the cells
You are NOT likely to find a nucleus in
A) collenchyma cells. B) sclerenchyma cells. C) cells of a carrot root. D) companion cells. E) parenchyma cells.