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...bolic rate of the avian species. This high basic metabolic rate influences the rate of drug absorption, metabolism and excretion and should be taken into ...s. This cleans the [[Crop - Anatomy and Physiology|crop]] out and checking the pellet of captive birds should be undertaken daily to assess health.

|q1=True or False: The avian tongue has a bone in it? |l1=Avian Tongue - Anatomy & Physiology#Structure and Function

...Jejunum - Anatomy & Physiology|jejunum]]''' and the '''[[Ileum - Anatomy & Physiology|ileum]]'''. [[Image:Duodenum Avian Anatomy.jpg|thumb|right|250px|Anatomy of the Avian Duodenum and Pancreas - RVC 2008]]

...tomy & Physiology|proventriculus]]''' and to the '''[[Duodenum - Anatomy & Physiology|duodenum]]'''. [[Image:Gizzard Anatomy.jpg|thumb|right|250px|Gizzard Anatomy - RVC 2008]]

The avian respiratory system contains some fundamental differences to the mammalian system. ==Avian Nasal Cavity and Oropharynx==

...nd throughout the intestines in the [[Small Intestine Overview - Anatomy & Physiology|small intestine]] larger collections of nodules exist and these are referre ...both the [[Ileum - Anatomy & Physiology|ileum]] and [[jejunum - Anatomy & Physiology|jejunum]] and persist throughout life.</p>

[[Image:Alimentary Canine.jpg|thumb|right|300px|The Alimentary Tract (Canine) - Copyright Prof. Pat Mccarthy]] ...espiratory system, and the hard and soft palate forms the boundary between the oral and nasal cavities in many species.

In the first 5 months after hatching, the ovary gradually develops from a small irregular structure with a finely gra ...se to the cranial tip of the [[Renal Anatomy - Anatomy & Physiology#Common Anatomy|Kidney]].

[[Image:smalllargeintestine.jpg|thumb|right|250px|Illustration of the jejunum, caecum, transverse and ascending colon - © RVC 2008]] ...which is of particular importance to the [[Hindgut Fermenters - Anatomy & Physiology|hindgut fermenters]]. For this reason, hindgut fermenters have a more compl

...mopoetic function, producing red and white blood cells from tissue between the hepatic cells and vessel walls. ...eighs about 3-5% of body weight, in omnivores 2-3% and in herbivores 1.5%. the liver is much heavier in young animals than older animals as it atrophies w