Control of defecation involves voluntary relaxation of the

A. teniae coli.
B. internal rectal sphincter.
C. external anal sphincter.
D. ilieocecal valve.
E. oblique muscularis.


Answer: C

Anatomy & Physiology

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In what tissue would you expect to find very little if any extracellular matrix?

A. Nervous tissue B. Immune tissue C. Epithelial tissue D. Connective tissue E. Muscle tissue

Anatomy & Physiology

ohn, a 72-year-old grandfather, had been smoking heavily for 24 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How could this happen considering the natural cleaning mechanism of the respiratory system?

What will be an ideal response?

Anatomy & Physiology

Restoration of a fracture of joint dislocation to its normal anatomic position is called _________

Fill in the blank(s) with the appropriate word(s)

Anatomy & Physiology

Groups of axons within a nerve are bound into fascicles by a coarse connective tissue called ________

A) epineurium B) perineurium C) endoneurium

Anatomy & Physiology