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==Introduction==

==Introduction==

The mammalian cardiovascular and respiratory systems have evolved primarily to provide the tissues of the body with oxygen and to remove carbon dioxide. The cardiorespiratory system also has metabolic and heat exchange roles.

The mammalian cardiovascular and respiratory systems have evolved primarily to provide the tissues of the body with oxygen and to remove carbon dioxide. The cardiorespiratory system also has metabolic and heat exchange roles.

==Respiratory System==

==Respiratory System==

Air is [[Ventilation - Anatomy & Physiology|inhaled]] and passes through the upper respiratory tract via the nares, [[Nasal cavity - Anatomy & Physiology|nasal cavity]], [[Pharynx - Anatomy & Physiology|pharynx]], [[Larynx - Anatomy & Physiology|larynx]], and [[Trachea - Anatomy & Physiology|trachea]]; it is  heated and moistened en route. It then passes to the lower respiratory tract traveling through the [[Lungs - Anatomy & Physiology|lungs]] via the [[Bronchi and bronchioles - Anatomy & Physiology|bronchi, bronchioles]] and [[Lungs - Anatomy & Physiology|alveoli]] where oxygen diffuses across the alveolar wall and into the blood, forming oxyhaemoglobin. The active process of continuous [[Gas Exchange - Anatomy & Physiology|gas exchange]] in the lungs is known as [[Ventilation - Anatomy & Physiology|ventilation]].

Air is [[Ventilation - Anatomy & Physiology|inhaled]] and passes through the upper respiratory tract via the nares, [[Nasal Cavity - Anatomy & Physiology|nasal cavity]], [[Pharynx - Anatomy & Physiology|pharynx]], [[Larynx - Anatomy & Physiology|larynx]], and [[Trachea - Anatomy & Physiology|trachea]]; it is  heated and moistened en route. It then passes to the lower respiratory tract traveling through the [[Lungs - Anatomy & Physiology|lungs]] via the [[Bronchi and Bronchioles - Anatomy & Physiology|bronchi, bronchioles]] and [[Lungs - Anatomy & Physiology|alveoli]] where oxygen diffuses across the alveolar wall and into the blood, forming oxyhaemoglobin. The active process of continuous [[Gas Exchange - Anatomy & Physiology|gas exchange]] in the lungs is known as [[Ventilation - Anatomy & Physiology|ventilation]].

Other associated structures of veterinary interest within the respiratory tract include the [[Paranasal sinuses - Anatomy & Physiology|paranasal sinuses]], the [[Pleural cavity and membranes - Anatomy & Physiology|pleural cavity & membranes]] and the [[Guttural pouches - Anatomy & Physiology|guttural pouches]].

Other associated structures of veterinary interest within the respiratory tract include the [[Paranasal Sinuses - Anatomy & Physiology|paranasal sinuses]], the [[Pleural Cavity and Membranes - Anatomy & Physiology|pleural cavity & membranes]] and the [[Guttural Pouches - Anatomy & Physiology|guttural pouches]].

==Cardiovascular System==

==Cardiovascular System==

*'''[[Anatomy_videos#Cardiorespiratory |Cardiorespiratory anatomy video]]'''

|videos =[[Video: A guide to the cardiorespiratory examination of small animals|A guide to the cardiorespiratory examination of small animals]]<br>[[Video: Equine thoracic cavity dissection|Equine thoracic cavity dissection]]<br>[[Video: Ovine right-sided abdominal and thoracic dissection|Ovine right-sided abdominal and thoracic dissection]]<br>[[Video: Ovine left-sided abdominal and thoracic dissection|Ovine left-sided abdominal and thoracic dissection]]<br>[[Video: Ovine thoracic cavity dissection|Ovine thoracic cavity dissection]]<br>[[Video: Lateral view of the feline thorax and abdomen potcast|Lateral view of the feline thorax and abdomen potcast]]

 

==References==

==References==

*{{citation|initiallast = Dyce|initialfirst = K.M|2last = Sack|2first = W.O|finallast = Wensing|finalfirst = C.J.G|year = 2002|title = Textbook of Veterinary Anatomy|ed =3rd|city = Philadelphia|pub = Saunders}}

*{{citation|initiallast = Dyce|initialfirst = K.M|2last = Sack|2first = W.O|finallast = Wensing|finalfirst = C.J.G|year = 2002|title = Textbook of Veterinary Anatomy|ed =3rd|city = Philadelphia|pub = Saunders}}

**[[Jo Hinsley]]

[[Category:Respiratory System - Anatomy & Physiology]][[Category:Cardiovascular System - Anatomy & Physiology]]

**[[Carolyn Harvey-Myers]]

[[Category:Cardiology Section]]