The process of a white blood cell squeezing between endothelial cells to exit a blood vessel is called

Explain the effects of the catecholamines on the body during the fight-or-flight response and how these effects help us deal with short-term stress

What will be an ideal response?

Of the three phases of swallowing, only the esophageal phase is involuntary.

Answer the following statement true (T) or false (F)

Which describes the action of a ligand's competitive antagonist?

A. It binds to a different binding site on the protein, altering the protein shape so that a ligand cannot bind. B. When present, it increases the binding of a ligand to its receptor.  C. It decreases the amount of ligand required to activate the protein. D. It blocks the binding of the ligand to its binding site and prevents activation of the protein.

The stomach can increase its diameter because of rugae

Indicate whether the statement is true or false.