A. Sudden, involuntary contraction of bronchial tubes (as during an asthmatic attack).
B. Involuntary contraction of the pyloric sphincter.
C. No opening of the bile ducts (into the duodenum).
Topics:Effect of Exercise on Cardio Respiratory System & Muscular Components of Food Nervous System The Human Eye Epithelial World Health Day The Microbial World Germs Food Physical Activity Macro and Micro Nutrients Carbohydrates / Fat-soluble Vitamins Dimensions of Wellness Genetic Engineering Human Anatomy
Other quiz: Healthy Foundations
True or False:
Teens need at least 8 to 10 hours of sleep per night.