What is a female swine that has not farrowed?

What are the differences between a chicken stomach and a human stomach? Why it is important to take care of the urinary system? Does falling cause a misscarriage? Why must people die? What refers to one neurone and all the skeletal muscle cells it stimulates? Are blackheads and skin tags the same? Which bacteria cannot cause foodborne illnesses? A phobia of what food was the only weakness of the Fonz's? Oxytocin prevents premature childbirth? How does weed cause lung fungus? What brand of chips is gluten free? Why is it important to be able to detect antibodies in people who don't appear sick? Which part of the bone that bump is visible to each side of the lower abdomen? It is common for your uterus to be removed during a c-section and then replaced? What is the name given to a condition when one has a different personalities while asleep and has no knowledge of them while awake? Can you die of the disease called lupus? Tarsal tunnel syndrome in both feet is it common? Are cockapoos good for people with allergies? What is otomize ear spray? Why do I keep crying and getting so upset over little things?