The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa. These nerve complexes are called
A. villi.
B. serosa.
C. epithelia.
D. plexuses.
E. muscularis.
D. plexuses.
Biology & Microbiology
You might also like to view...
The photic zone in aquatic environments is typically about how deep?
A. 10 m B. 50 m C. 100 m D. 500 m E. 1000 m
Biology & Microbiology
In women, blocked oviducts can result from sexually transmitted diseases
a. True b. False Indicate whether the statement is true or false
Biology & Microbiology
Which of the following is true concerning the pathogen that causes tetanus?
a. The bacteria are airborne. b. The bacteria are spread by respiration. c. The pathogen is a virus. d. The bacteria tend to colonize wounds. e. The toxin produced by the pathogen prevents muscle contraction.
Biology & Microbiology
Which form of sea life is showing signs of decreasing numbers?
a. carp b. swordfish c. sharks d. blue fish e. eels
Biology & Microbiology