What is the innermost layer of the meninges?

The transfer of oxygen and carbon dioxide between the air and the blood in the lungs is accomplished by

Vein that carries blood from the intestines to the liver

Which is true of the collecting ducts?

The opening of the esophagus into the stomach

Proceeding caudally, the trachea bifurcates into

Match the type of epithelial tissue to its location

The nostrils are also called

match the characteristics to the tissue type

Where do the ureters enter the bladder?