The openings of the urethra and the two ureters mark an area on the internal surface of the urinary bladder called the __________.
internal urethral sphincter
renal sinus
external urethral sphincter
trigone
trigone
Anatomy & Physiology
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Which structure of the stomach allows greater distension for food storage?
a) Cardia b) Fundus c) Pylorus d) Rugae e) Sphincter
Anatomy & Physiology
Which muscle is not essential to taking a bite of food and chewing it?
A. Masseter B. Palatoglossus C. Temporalis D. Genioglossus E. Zygomaticus major
Anatomy & Physiology
The contractile response of a muscle fiber to a single action potential is called a(n) ____________________
Fill in the blank(s) with correct word
Anatomy & Physiology
Short cylinders with a 9 + 0 pattern that form the spindle apparatus during cell division are
A. flagella. B. centrioles. C. basal bodies. D. actin filaments.
Anatomy & Physiology