Which of the following is true regarding red blood cells?
A) They are anucleate.
B) They survive for approximately one year.
C) They have a biconvex shape.
D) They are produced in the spleen.
E) They primarily carry carbon dioxide.
Question 2
The energy content of foods is commonly given in units of
A) grams.
B) kilograms.
C) kilocalories.
D) moles.
E) ounces.