<span>Dialysis patients are prone to a myriad of medical anomalies. The most common medical conditions that dialysis patients have in addition to kidney failure are hypertension and diabetes. Hypertension is the onset of high blood pressure, and diabetes is a disease that prevents the pancreas from regulating glucose levels in the body.</span>
The defecation reflex involves two postive feedback loops. these loops are the stretch receptors in the rectal walls and the sacral parasympathetic system. Defecation reflex empties the rectum by peristaltic movements push fecal matter from the sigmoid colon into the rectum. Then this distension of the rectal walls stimulates stretch receptors which results in defecation.
B is the correct answer because the density it the salts would make the water increase therefore sink faster