After 3 days, a pre-embryo becomes a solid ball of cells known as a
A) chorion.
B) blastomere.
C) lacuna.
D) morula.
E) blastocyst.
Answer: D
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The bulge under the mandible is the ________ gland, which is found in the ________ triangle. (Same word for both blanks).
Fill in the blank(s) with the appropriate word(s).
Which of the following contains an unusual double membrane?
A) mitochondrion B) nucleolus C) Golgi apparatus D) peroxisome E) lysosome
Which structure is not supplied by postganglionic fibers that originate in the celiac ganglion?
A. Liver B. Small intestine C. Spleen D. Stomach E. Pancreas
Intrapulmonary pressure is the ________
A) difference between atmospheric pressure and respiratory pressure B) pressure within the pleural cavity C) pressure within the alveoli of the lungs D) negative pressure in the intrapleural space