Which of the following are true of 17th century attempts to understand the human body? Select all that apply.
It questioned the Galenic model of anatomy.
It rejected notions of universal laws that governed human anatomy.
It retained certain ancient concepts, like the idea that the blood carried some sort of vital essence.
It was based in external observation rather than human dissection.
Bile, manufactured by the spleen, was seen as the main mechanism by which life-force was transferred to the body.