What is a Fibre?
They are fleshy Lines of which the Body of a Muscle is compos'd.
What is a Nerve?
It is a long, white, and thin Body, consisting
of many Fibres, enclos'd within a double Tunick, and design'd to carry the Animal Spirits into all the Parts, to give them Sense and Motion.
What is an Artery?
It is a Canal compos'd of Four Coats, that carreyth with a kind of Beating or Pulse even to the very Extremity of the Parts, the Blood full of Spirits, which proceeds from the Heart, to distribute to them at the same time both Life and Nourishment.
What is a Vein?
It is a Canal made likewise of Four Tunicles, which receives the Arterial Blood, to carry it back to the Heart.
What is Flesh?