Tony is with his family on a long drive to California. He has to go to the bathroom. His parents response he will need to hold it until they make it to a restroom. Which of the following makes waiting to urinate possible? A. Urethra
B. Ureters
C. Internal urethral sphincter
D. External urethral sphincter

Which sequence correctly shows the path of carbon dioxide during repiration?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !