Deceased
from Newtown, PA
The main organs of the digestive system include the mouth, the esophag...
CNS, PNS, sensory, motor, somatic motor, autonomic motor, and sympathe...
My website, science with susanna.com has the blank drawing to accompan...
Overview of endocrine organs (Video 1 of 2) - where they are, what hor...
The immune system has two main branches: the innate immune response an...
The pulmonary circulation pumps deoxygenated blood from the right side...