Which of the following is NOT an effect of one or more of the following chemicals: acetylcholine from the vagus nerve, gastrin or CCK? a. opening of the ileocecal valve and hepatopancratic sphincter
b. churning in the stomach
c. contraction of the gallbladder
d. inactivation of pepsin

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.