Reviewing pathology for an exam on pulmonary vasculature, the nursing student states that blood enters the right side of the heart via the vena cavae, then to the right atrium, right ventricle, and then which vessel carries the deoxygenated blood into the pulmonary system?

Histamine is found in _____.

The tricuspid valve can also be called the _____.

The tricuspid valve can also be called the _____.

Which of these fishes migrated out of freshwater and adapted to life on land?

Nearly all ________ are aquatic.

Features unique to mammals include _____.

What does the term “tetrapod” mean?

A cell membrane is

A cell membrane is