A teenage girl trips and falls on the stairs. She lands on the tip of her left shoulder. She complains of pain both in the tip of her shoulder and in her chest. She has difficulty lifting her arm above her shoulder because of the pain.
What injuries might have resulted from this mechanism of injury?

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