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Biology Lab
Fetal Pig Circulatory and Respiratory Systems
26
Biology
Undergraduate 1
04/27/2009

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Term
Sternum
Definition
The flat bone lying mid-ventrally to which ribs attach
Term
Thymus gland
Definition
Plays an important role in the immune system
Term
Larynx and trachea
Definition
Expanded structure from which air passes from the mouth to the narrower trachea
Houses the vocal cords
Term
Thyroid
Definition
Secretes hormones that influences metabolism
Term
Pericardium
Definition
Membrane that covers the heart
Term
Pleura
Definition
Membrane that lines the thoracic cavity
Term
Right atrium
Definition
Receives blood through the the venae cavae
Passes blood through the tricuspid valve and into the right ventricle
Term
Right ventricle
Definition
Receives blood from the right atrium through the tricuspid valve
Passes blood through the pulmonary semilunar valve and through the pulmonary artery to the lungs
Term
Left atrium
Definition
Receives blood from the lungs through the pulmonary veins
Passes blood through mitral/bicuspid valve into the left ventricle
Term
Left ventricle
Definition
Receives blood from the left atrium through mitral/bicuspid valve
Passes blood through aortal semilunar valve through the aorta to the rest of the body
Term
Coronary arteries
Definition
The first two small branches of the aorta
Term
Coronary veins
Definition
On the surface of the heart between the left and right ventricles
Term
Vena cava (Superior/Anterior and Inferior/Posterior)
Definition
Take blood from the body to the right atrium
Term
Aorta
Definition
Takes blood from the left ventricle to the rest of the body
Term
Pulmonary artery
Definition
Takes blood from the right ventricle to the lungs
Term
Pulmonary veins
Definition
Takes blood from the lungs to the left atrium
Term
Arteries
Definition
Carry blood from the heart
Term
Veins
Definition
Carries blood to the heart
Term
Ductus arteriosus
Definition
Connects the pulmonary trunk to the aorta in fetuses to bypass the passage of blood to the non-functional lungs
Term
Coeliac artery
Definition
Carries blood to the stomach and the spleen
Term
Anterior mesenteric artery
Definition
Carries blood to the small intestine
Term
Renal arteries
Definition
Carries blood to the kidneys
Term
Foramen ovale
Definition
Makes possible the second pathway of blood through the heart
Connects the two atria
Term
Bronchi
Definition
Branches of the trachea
Term
Bronchioles
Definition
Tubes that are about 1-2 mm in diameter
Term
Alveoli
Definition
Microscopic, thin-walled, blind-ending sacs that are covered with capillaries
Exchange of oxygen and carbon dioxide takes place between the blood and the atmosphere
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