____ guards the entrance of the trachea during swallowing.
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___________lines the marrow cavity.
___________lines the marrow cavity.
Double layer of peritoneum that contains fat and hangs like…
Double layer of peritoneum that contains fat and hangs like an apron over the front of the intestine is the ____.
The appendicular skeleton has _______bones.
The appendicular skeleton has _______bones.
_________ are bone forming cells.
_________ are bone forming cells.
In addition to the digestive system, the pancreas is also pa…
In addition to the digestive system, the pancreas is also part of the ___ system.
Which type of fracture is most likely to occur in a car acci…
Which type of fracture is most likely to occur in a car accident?
Bone cells are _______________.
Bone cells are _______________.
_____ prevents food from traveling backward into the small i…
_____ prevents food from traveling backward into the small intestine from the large intestine.
What is the purpose of rugae?
What is the purpose of rugae?