The gastric juice is an acidic substance mainly composed of which enzyme?

________ When the Main Term or subterm is too long to fit on one line, the line is truncated

Indicate whether the statement is true or false

The movement of electrolytes, proteins, water, and carbon dioxide from blood into the CSF are facilitated by:

A) ATP-mediated active transport. B) diffusion gradients. C) reverse osmosis. D) immunodiffusion.