A Giraffe's heart, which can weigh up to 24 lb (10 kg), has to generate around double the normal blood pressure for a large mammal in order to maintain blood flow to the brain against gravity.
Background. Bacterial overgrowth syndrome (BOS) is a term that describes clinical manifestations that occur when the normally low number of bacteria that inhabit the stomach, duodenum, jejunum, and proximal ileum significantly increases or becomes overtaken by other pathogens.
Acute and chronic bacterial prostatitis. A bacterial infection of the prostate causes bacterial prostatitis. The acute type happens suddenly and lasts a short time, while the chronic type develops slowly and lasts a long time, often years. The infection may occur when bacteria travel from the urethra into the prostate.