Which of the following is the most frequently performed procedure in the medical office laboratory?

Which channel flows along the posterior leg and torso?

a. Gall bladder b. Small intestine c. Pericardium d. Urinary bladder

In order to keep the trachea open in any position, the trachea is made of O-shaped cartilage stacked one on top of the other

Indicate whether the statement is true or false