Why are Giardia and Trypanosoma not classified into the same phylum?

During digestion organic molecules are broken down into what two components? The main vein draining blood from the heart tissue is the? What ingredient in toothpaste stops gum disease? What does skeleton crew mean? If you get hit repeatedly in the stomach during pregnancy can you miscarry? How many inches long should your floss be whenever you floss? Respiratory acidosis? Is the appendix solid or hollow? When to take pregnancy test after map? Is it bad if you skip your period? What is Pica? Where does vasoconstriction occur? What prevents getting food or liquid into the lungs? Is it normal to miss a period after failed ivf? Which is a renal disease in which substances from the immune response to the streptococcus bacterium collect in the capillary network of the nephron? Does schwans sell concentrate juices? How much is a psa blood test without insurance? How do you get meningitis? What is Peyton List's middle name? How can you prevent cholera using chlorine?