The lungs contain:
a. mostly smooth muscle
b. only cartilage
c. no elastic tissue
d. about 500 million alveoli
e. none of the above
D
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The system that controls mood
A) Sympathetic B) Reticular C) Limbic D) Somatic
Loperamide is a medication used to slow and stop diarrhea. It inhibits nervous signalling to the large intestine, relaxing the smooth muscles within the intestinal wall and preventing intestinal contents from moving forward. The large peristaltic waves inhibited by loperamide are________.
Fill in the blank(s) with the appropriate word(s).
The tissue through which gases are exchanged between the blood and the air in the lungs
is A) simple columnar epithelium. B) simple squamous epithelium. C) stratified squamous epithelium. D) simple cuboidal epithelium.
Glucose is the
A. major nutrient for most body cells. B. sugar found in RNA. C. storage carbohydrate in animals. D. storage carbohydrate in plants. E. nondigestible plant polysaccharide.