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The human nose is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two. The nose has an important function in breathing.
Arctodus is an extinct genus of short-faced bear that inhabited North America during the Pleistocene (~2.5 Mya until 12,800 years ago). There are two recognized species: the lesser short-faced bear ( Arctodus pristinus) and the giant short-faced bear ( Arctodus simus ). Of these species, A. simus was larger, is known from more complete remains ...
Nasal cavity. The nasal cavity is a large, air-filled space above and behind the nose in the middle of the face. The nasal septum divides the cavity into two cavities, [1] also known as fossae. [2] Each cavity is the continuation of one of the two nostrils. The nasal cavity is the uppermost part of the respiratory system and provides the nasal ...
Eastern hognose snake. The eastern hog-nosed snake [3] ( Heterodon platirhinos ), is a species of mildly venomous rear-fanged snake in the family Colubridae. The species is endemic to North America. [4] There are no subspecies that are recognized as being valid. [3]
A syrphid fly using its proboscis to reach the nectar of a flower. A proboscis ( / proʊˈbɒsɪs, - kɪs /) is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate. In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking. In vertebrates, a proboscis is an elongated nose ...
Characteristics. All shrews are tiny, most no larger than a mouse. The largest species is the Asian house shrew (Suncus murinus) of tropical Asia, which is about 15 cm (6 in) long and weighs around 100 g (3 + 1 ⁄ 2 oz) The Etruscan shrew (Suncus etruscus), at about 3.5 cm (1 + 3 ⁄ 8 in) and 1.8 grams (28 grains), is the smallest known living terrestrial mammal.
Triatominae. The members of the Triatominae / traɪ.əˈtɒmɪniː /, a subfamily of the Reduviidae, are also known as conenose bugs, kissing bugs (so-called from their habit of feeding from around the mouths of people), [1] or vampire bugs. Other local names for them used in the Americas include barbeiros, vinchucas, pitos, chipos and chinches.
52745. Anatomical terms of bone. [ edit on Wikidata] The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face and by their junction, form the bridge of the upper one third of the nose . Each has two surfaces and four borders.
Smilodon was around the size of modern big cats, but was more robustly built. It had a reduced lumbar region , high scapula , short tail, and broad limbs with relatively short feet. [23] [24] Smilodon is most famous for its relatively long canine teeth, which are the longest found in the saber-toothed cats, at about 28 cm (11 in) long in the ...
The big brown bat has been documented from 300–3,100 m (980–10,170 ft) above sea level. It is a generalist, capable of living in urban, suburban, or rural environments. It has been called "the most widespread Pleistocene bat in North America", as it is more represented in the fossil record of that time than any other bat species. Its ...