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Thus by tlie division Post Date: Mon, 18 Aug 2008 15:31:57 +0000 The pure blood, passing from the lungs , enters the left auricle , passes thence into the left ventricle , whence it is driven over the body. After having traversed all the parts of the body and become richly loaded with carbonic acid gas, it returns to the heart (by the great veins, entering the right auricle, and thence passing into the right ventricle , whence it is pumped through the pulmonary arteries back into the lungs. Thus by tlie division of the heart into two halves the arterial is completely separated from the venous blood. Autor of the post: Undefined 8 Reproduction Post Date: Mon, 18 Aug 2008 15:17:19 +0000 7 The Urine. The urine, excreted by the kidneys in mammals, is conducted by two canals, the ureters, into the urinary bladder, which is periodically emptied by the contraction of its walls. 8 Reproduction. Autor of the post: Undefined FOEE-LIMBS provided with hands, hind-limbs Post Date: Mon, 18 Aug 2008 15:01:53 +0000 With the exception of the Cloacalia (which see), all mammals bring forth living young, which, until they can feed themselves, are sustained upon the milk of the mammary glands. The openings of these glands generally lie upon wart-like elevations of the skin, the nipples or teats. FOEE-LIMBS provided with hands, hind-limbs with prehensile feet, fingers and toes with flat nails. Autor of the post: Undefined All are inhabitants of warm Post Date: Mon, 18 Aug 2008 14:42:54 +0000 Eyes directed forwards, face more or less devoid of hairs. Live among trees and rocks. All are inhabitants of warm regions. Autor of the post: Undefined It frequents by preference Post Date: Mon, 18 Aug 2008 14:31:23 +0000 The Malay name, " Orang-Utan " (ie, man of the woods), aptly designates this animal as a man-like inhabitant of the forests. Its home is in the well-watered, densely-wooded districts of Sumatra and Borneo. It frequents by preference the summits of the giant trees of the aboriginal forests. Autor of the post: Undefined The only hairless parts Post Date: Mon, 18 Aug 2008 14:20:01 +0000 1 Hairy Covering. The whole body is covered with long shaggy hair. The only hairless parts are the ugly face, with its broad cheek callosities, its almost human ears, the huge neck-pouch, the hands and feet. Autor of the post: Undefined (b) In consequence of its Post Date: Mon, 18 Aug 2008 14:08:37 +0000 All these parts are of a bluish-black colour. (a) The colour of the hair is a reddish-brown, and very similar to that of the bark of the trees frequented by the animal, thereby proving an excellent means of protection, especially for the still defenceless young. (b) In consequence of its semi-erect posture (see Section 3) the animal exposes its back to the rain ; accordingly the hairy covering is much thicker on this part of the body than on the breast. Autor of the post: Undefined ) The hairs of the lower Post Date: Mon, 18 Aug 2008 13:50:52 +0000 As a protection against rain the shoulders and upper arm are similarly clothed with long thick hair. (Some of these hairs have been known to attain a length of from 16 to 20 inches.) The hairs of the lower arm (as in man) point towards the elbow. Autor of the post: Undefined According to one of its Post Date: Mon, 18 Aug 2008 13:37:08 +0000 We are informed by naturalists, who have observed the animals in their native forests, that during rainy weather they will clasp hold of any tree branches that may happen to be above them, or hold their hands over their head to ward off the rain from their body. 2 The Orang-Utan is a thorough adept in the art of climbing. According to one of its most careful observers, it moves through the densest forests with the same ease "as the Indian over the steppes or the Arab through the desert. Autor of the post: Undefined By reason of their length Post Date: Mon, 18 Aug 2008 13:18:04 +0000 " (a) The hands are very similar to those of man, but the thumb is shorter and the fingers much longer. Whereas the human hand is an almost perfect instrument for grasping (give proofs of this statement), that of the Orang-Utan is, in accordance with the arboreal life of the animal, specially adapted for climbing from tree to tree, the four fingers serving as hooks in this operation. By reason of their length the animal is able to obtain a safe and sure hold of branches of even more than usual thickness. 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