Which of the following statements is incorrect? the tongue is in direct contact with ingested food, but is still considered to be an accessory digestive organ. the esophagus is a muscular tube that is considered to be part of the gastrointestinal tract. the salivary glands are accessory digestive organs that secrete digestive enzymes into the oral cavity. the gallbladder is a hollow muscular organ that is considered to be part of the alimentary canal. the liver is an accessory digestive organ that produces secretions that flow into the small intestine.

Catalina ate a candy bar and then went on a fast-moving ride in an amusement park. she was sick to her stomach after the ride and now, catalina cannot eat candy bars, because they make her nauseous. in this learned association, the candy bar serves as a(n) to catalina.

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Which of the following is not considered a lymph node function? to house immune cells to transport lymph to filter blood to fight infection