human anatomy organs for Dummies
atrioventricular valves – 1-way valves Positioned concerning the atria and ventricles; the valve on the appropriate is known as the tricuspid valve, as well as 1 to the still left would be the mitral or bicuspid valve.Mind stem – area on the Grownup brain that features the midbrain, pons, and medulla oblongata and develops within the mesencepha