The diaphragm divides the:
a. dorsal from the ventral cavity
b. abdominal from the pelvic cavity
c. thoracic from the abdominal cavity
d. pleural from the mediastinum
c. thoracic from the abdominal cavity
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Which plexus is located between the longitudinal and circular smooth muscle layers of the muscularis?
a) ENS b) Myenteric plexus c) Submucosal plexus d) Digestive plexus e) Absorption plexus
The process of sperm production is called ________.
Fill in the blank(s) with the appropriate word(s).
Parthenogenesis
A) Enables females to self-fertilize their own ova. B) Occurs in lizards, such as the Komodo dragon. C) Occurs only in invertebrates. D) A and B
Cytotoxic T cells
a. are not the most numerous of the T cells. b. secrete B-cell growth factor and T-cell growth factor. c. confer greater phagocytic properties on macrophages, converting them into angry macrophages. d. release antigens. e. bind with class II MHC glycoproteins.