Digestive System:

1. What causes Indigestion?
A. Overeating
B. Gastritis
C. Stomach Cancer
D. All of the above
2. What are the symptoms of Indigestion?
A. Abdominal Pain
B. Heartburn
C. Constipation
D. Both A and B
3. What digestion starts?
A. Mouth
B. Stomach
C. Esophagus
D. Intestines
4. Which organ producing biles?
A. Liver
B. Stomach
C. Gallbladder
D. Intestines
5. Which organ carries food to stomach?
A. Mouth
B. Tonsils
C. Esophagus
D. Pharynx​