Blood donation

src: www.tgmc.com A blood donation occurs when a person voluntarily has blood drawn and used for transfusions and/or made into biopharmaceu...

Blood sugar level

src: i.ytimg.com The blood sugar level, blood sugar concentration , or blood glucose level is the amount of glucose present in the bl...

Blood sugar level

src: i.ytimg.com The blood sugar level, blood sugar concentration , or blood glucose level is the amount of glucose present in the bl...

Blood sugar level

src: i.ytimg.com The blood sugar level, blood sugar concentration , or blood glucose level is the amount of glucose present in the bl...

Hematochezia

src: image.slidesharecdn.com Hematochezia is the passage of fresh blood through the anus, usually in or with stools (contrast with melena)....