Aphysician examines a patient who complains of breathing problems. she finds fluctuations in the patient's blood pressure and heart rate. the physician thinks it's because of a brain injury. which part of the brain is affected? a. cerebellum b. cerebrum c. medulla oblongata d. midbrain e. pons

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food