Name the smaller red vessel

Name the purple vessel

The ______ is a reservoir for erythrocytes and platelets.

The immunity that you are born with is called innate immunity.

Name the layer of the vessel wall indicated by the yellow arrow

Which of the following hormones regulate blood pressure?

_______ are microscopic, single-celled prokaryotes that cause damage by releasing enzymes and toxins.

What neurological condition may present as a stroke, occurs in those in their early 20’s and younger, and spontaneously resolve?

Which of the following signs and symptoms are associated with a stroke? Select all that apply.

Psychophysical stress and poor diet are thought to cause what GI condition?