Simple epithelium is several layers thick
a. True
b. False
Indicate whether the statement is true or false
False
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Why are there so many phagocytic cells (in lymph nodes and the liver, for example) associated with the digestive system?
A. They stimulate contractions of the tunica muscularis. B. They stimulate proliferation of stem cells. C. They remove bacteria and other foreign material ingested with food. D. They can transform into other cell types under the appropriate hormonal stimulation. E. They stimulate digestive enzyme production.
During the fetal period, there is an opening between the right and left atrium called the __________ __________.
Fill in the blank(s) with the appropriate word(s).
Which uterine layer consists of a superficial functional zone and a deeper basilar zone?
A) endometrium B) cervix C) myometrium D) internal os E) perimetrium
The gastrocnemius and soleus perform what action?
A. Eversion of the foot B. Synergists for doriflexion C. Synergists for plantar flexion D. Antagonists for plantar flexion