which is correct about renal corpuscle? ()
A. renal tubules were dilated and formed in the cortex
B. located in the cortical labyrinth and the medullary cord
C. renal capsule and proximal tubules connected, located in the cortical labyrinth
D. Formed by renal capsule and glomerulus, located in cortical labyrinth and renal column
E. Formed by renal capsule and glomerulus, located in the medullary rays and renal column
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Which is not correct about proximal convoluted tubules ? ()
A. Dense tubules and vesicles are at the top of the cell.
B. The wall is thickness, and cavity is small.
C. Brush border is on the free surface,and microvilli are short and small.
D. There are more lateral projections and interdigitate closely.
E. The plasma membrane of cells is developed
The tracheal wall does NOT contain the ()
A. tunica mucosa
B. tunica submucosa
C. tunica muscularis
D. tunica adventitia
E. Glands
A respiratory bronchiole ()
A. It allows gas exchange to occur within it
B. It has no smooth muscle in its wall
C. It branches to form terminal bronchioles
D. It only has few cartilage masses
E. It still has mixed glands
The main characteristic of type II alveolar cells in EM is ()
A. numerous surface microvilli
B. abundant mitochondria
C. a number of lysosomes
D. many lamellar bodies
E. rich in RER
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