The opposing layers of pleural membrane are held together by a thin film of ________.
Fill in the blank(s) with the appropriate word(s).
pleural fluid
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Label R represents which of the following structures?
A) hilum
B) renal pelvis
C) renal cortex
D) renal medulla
E) renal sinus
A fetus develops in such a way that the type II cells of the lungs never develop, resulting in no production of surfactant in the alveoli. The fetus continues development and survives to birth. What will happen when the newborn tries to take its first breath?
A. It won't be able to take its first breath because the lungs need to be filled with fluids after birth to allow them to expand. Without being completely filled with surfactant, air cannot enter. B. It will breathe and then begin coughing as the alveoli will have little to no surface tension. C. It won't be able to take its first breath because its lungs will remain collapsed from high surface tension. D. The lungs will start to be digested, as surfactant blocks proteases and other fluids from reaching alveolar tissues.
The radial tuberosity is the site of insertion for a muscle that flexes and ________ the forearm.
Fill in the blank(s) with the appropriate word(s).
What term is used for the division of cells necessary for sexual reproduction?
A. Meiosis B. Mitosis C. Metastasis D. Cytokinesis