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heart_n artery_n left_a ventricle_n 4,430 5 13.3043 5 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A05370 Ravvleigh his ghost. Or a feigned apparition of Syr VValter Rawleigh to a friend of his, for the translating into English, the booke of Leonard Lessius (that most learned man) entituled, De prouidentia numinis, & animi immortalitate: written against atheists, and polititians of these dayes. Translated by A. B.; De providentia numinis, et animi immortalitate. English Lessius, Leonardus, 1554-1623.; Knott, Edward, 1582-1656.; Raleigh, Walter, Sir, 1552?-1618. 1631 (1631) STC 15523; ESTC S102372 201,300 468

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therefore only in the muscles there are six thousand for thus writeth Galen Eadem ars c. The same art is to be seene about all the bowels indeed about euery part so as if one consider the scopi which the structure of mans body hath the multitude of them would rise vnto some myriades And here upon Galene concludeth that mans body is framed by some most wise and most puissant workeman It was not sufficient that mans body should consist of bones and muscles but withall it was needfull that it should haue naturall heat by the which it might liue bloud by which it might be nourished spirits by the which it might moue and excrcise its senses for without this spirit the soule could neither vse any sense nor the body moue it selfe for seing the spirit is of a most attenuated and thin substance as a thing betwene the most subtile soule and the grosse body it is therefore the immediate and next instrument or Organum of the soule by meanes whereof the soule causeth in the body motion and sense and without the which there can be no distribution of nourishment made through out the whole body Therefore the diuyne Prouidence hath fabricated and made three principall parts in mans body by the which these operations may be performed to wit the Hart the ●●uar and the braine The Hart is ordained for the vital heat and spirits of the whole body the Liuer for the sanguineous bloody and naturall spirits and the braine for the animal spirits To these three other externall instruments parts of the body are seruiceable To the Liuer belong the teeth the Esophagus and the stomacke to affoard the matter of blood or a certaine concocted iuyce which is called Chylus The Intestin●● or entrals do serue partly to trāsmit send this Chylus through the Mesaraical veynes to the Liuer and partly to deonerate disburden the body of the excrementall part of meat and food Furthermore to the Liuer belongs that vessel called folliculus fellis the receptacle of gall that therby after the Chylus is once turned into blood it may draw to it selfe containe the more sharpe matter or substance of nourishment which matter would be otherwise hurtfull to the body The Liene or Splene conduceth that it may attract to it the more grosse and seculent parts of blood The Reynes that they may sucke vp the raw and redundant wheish matter being mixt with blood and after they do send it through the vessels of vryne to the bladder to be auoided in conuenient tyme. The Longs are seruiceable to the Hart wherby the Hart is refrigerated and cooled and the vitall spirits recreated and refreshed through the often attraction and expiration of new and fresh ayre Now the spirits are engendred after this sort The meate being once concocted the best iuyce of it is transferred to the Liuer This transmission or sending it thither is made partly by the vitall compression or closing of the stomacke and partly by the vertue of the veynes of the Intestine called Ieiunum and other innumerable veynes which being placed in the mesenterium or in the midle of the bowels haue apower of sucking to them The Liuer then receiuing the Chylus through a fistula or hollow pipe turneth it throgh its owne natural disposition into blood and after that the more thin parts therof it chāgeth into a vapour which commonly is called spiritus naturalis this vapour distendeth enlargeth and openeth the veynes and pores of the body One part of this blood the liuer by meanes of vena caua which proceedeth or ryseth from it selfe sendeth to the heart Then through the heate of the hart this blood is wonderfully extenuated and refyned first in the right ventricle of the Heart and after in the left ventricle so a great part therof is conuerted into a most subtill and thin vapour of which vapor one part is sent frō the Heart to the brayne by a great Arterie there being elaborated againe clarifyed tempered in that fould of small arteries which is commonly called rete mirabile it becomes spiritus animalis the Animall spirits do serue only to sense and motion which are peculiar functions of a liuing Creature The rest of these spirits being mingled with most thin and pure blood the Hart distributeth through out the whole body through the Arteries conseruing and maintaining herby the natural heat of the body and this spirit is vsually tearmed spiritus vitalis And here now we are briefly to shew how both kynds of these spirits and bloud is dispersed throughout the whole body that therby we may the better apprehend by how admirable and wonderfull a Wisedome all these things are thus disposed Our body consisteth of heat and moisture The heat dayly consumeth and spendeth the moisture vapouring it away into ayre as the like appeareth by water exposed to the Sunne or to fyer which by little and little vanisheth away And thus all the mēbers and entrals of mans body would soone decay and dry away if there were no instauration and repairing thereof made by nourishment The immediate next nourishment of the body is blood and therefore it is requisite that blood be distributed through the body that all parts of it be nourished therewith The Liuer is the shop as it were of bloud Therefore from the Liuer there are drawne two great veynes the one going vpwards the other downwards the body both which do after brāch and diuyde themselues into seuerall lesser veynes these againe into lesser and lesser till they end in most small veynes and to the eye scarce visible These veynes go towards the bowels to the muscles in them they are terminated and implanted Seing then that there are aboue six hundred muscles and that for the most part many small veynes do run into euery muscle it cōmeth to passe that besides those inuisisible veynes which for their smalnes are called venae capillares as resembling in quātity the haires of a mans head there are some thousands of veynes or rather branches of veines which do rise and take their beginning from the two former great veynes Now by this meanes it is effected that there is not the least part of the body but there is nourishment brought to it The making and vertue of the veynes is wonderfull for they consist of fibrae or small strings and these are direct oblique or transuerse By the direct fibrae they attract and suck blood by the oblique they retaine and keep it and by the transuerse they transmit it further to the muscles and other extreme parts The same art and prouidēce is obserued in the concauityes hollownes of the intestina or bowels they haue the power of keeping bloud which once bursting out of them doth instantly putrifye and ingendreth diseases as we may obserue in Plurisyes Contusions and inflāmations The wheish humour is mingled with bloud for the more easy