Using the figure below, identify the labeled part.



1) Label A: ______________________________

2) Label B: ______________________________

3) Label C: ______________________________

4) Label D: ______________________________

5) Label E: ______________________________

6) Label F: ______________________________




1) Anal canal
2) Anal columns
3) Internal anal sphincter
4) External anal sphincter
5) Anus
6) Rectum

Anatomy & Physiology

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In immunodeficiency diseases,

A. the immune system fails to distinguish between self-antigens and foreign antigens. B. inadequate B and/or T cell formation may occur. C. IgE mediates a localized reaction. D. serum sickness results. E. immune surveillance occurs.

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Diacylglycerol is produced from

A) phosphatidylinositol bisphosphate. B) a G protein. C) cyclic AMP. D) protein kinase A. E) phospholipase C.

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The simplest type of nervous response is the _________________________.?

Fill in the blank(s) with correct word

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The pleural cavity is a potential space.

Answer the following statement true (T) or false (F)

Anatomy & Physiology