What did DR William farr believed caused cholera?

The peripheral nervous system connects the body to the? What are facts about teen pregnancies? What is the name of the process in which adjustments are made by the eye to produce a clear image on the retina? What is novercaphobia? What does the brain vertex do? What is cros-contamination? Connect the third and fourth ventricles? The amount of blood pushed out of the ventricle with each contraction is called? What is the phobia name for the fear of Tuesday? How do boys facial features change through puberty? Where is the common cold found in the world? What is the first sign of a infected ear piercing? The only way to stop muscle from wasting away? According to Freud the key to mental health is? What prevents chicken from falling from the roost while asleep? How does bloodshot in the eye happen? What is cystinuria? What blood vessels carries oxygen rich blood to the heart? Should a suspect be forced to give a DNA sample? Are greens good for diverticulitis?