The urethra is indicated by ________

The period from conception until birth is the ________ period.

A. embryonic B. conceptual C. prenatal D. germinal E. fetal

After being produced, ________ provides the blueprint for assembling proteins.

A. mtRNA B. rRNA C. tRNA D. mRNA

When ventricular pressure exceeds atrial pressure, the

A. blood is pumped into the atrium. B. ventricle is in diastole. C. atria pump blood into the ventricles. D. AV valves close. E. ejection occurs.

The support and protection of neurons rests with

A. neuroglia. B. dendrites. C. axons. D. trabeculae. E. ligaments.