The answer is bb, if im reading your question correctly
Convection currents, C! The plates move in a cycle called a convection cell that forms when warm material rise, cool, and even sink.
Answer: The epithelial cells
The endothelial cells .
<u>The epithelial cells are pulmonary while the endothelial are vascular</u>
These cells exist as tight-two celled structure for gas exchange in the lungs
They are moistened , thin layered , and use diffuse gradient of oxygen and carbon dioxide to move gases across their wall.s
They are well lined with blood capillaries for rapid absorption of gases into the blood stream,
After cleavage of the nucleoplasmin protein, only the tail segments appeared in the nucleus is evidence of a discrete nuclear localization signal somewhere on the nucleoplasmin protein.
