The egg is the common origin of all animals.
Blood circulation
Exercitationes de generatione animalium, Preface
1651
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"I have myself, in my dissections, seen the blood flow from the right ventricle into the pulmonary artery, and from the pulmonary vein into the left auricle."
Strange & Unusual"The study of nature is the study of God."
Strange & Unusual"The heart is the seat of the soul."
Strange & Unusual"The heart is the beginning of life, and the source of all motion."
Strange & Unusual"I have seen, and by my own experiments, demonstrated the truth of what I assert."
Strange & Unusual