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27 Cards in this Set
- Front
- Back
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What are two membranes associated with the peritoneal cavities?
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Visceral peritoneum
Parietal peritoneum |
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What are two membranes associated with the lungs?
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Visceral pericardium
Parietal pericardium |
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What are three types of gills?
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Pouched
Septal Aseptal |
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Who has pouched gills?
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Lamprey
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Who has septal gills?
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Shark
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Who has aseptal gills?
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Perch
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What are the four parts of a shark gill?
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Gill rakers
Gill arch Gill lamellae Gill ray |
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What is one function of the spleen?
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Produced red blood cells
Filters out old red blood cells Produces white blood cells during infections Releases white blood cells during infections |
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What are the four chambers of the heart?
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Sinus venosus
Atrium Ventricle Conus arteriosus |
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Which chamber is the strongest?
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Left ventricle
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What is the pathway of blood through the heart chambers?
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Sinus venosus -> Atrium -> Ventricle -> Conus arteriosus
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Which blood vessels bring blood to the heart?
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Common cardinal veins
Hepatic veins |
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Which blood vessels exit the heart?
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Ventral aorta
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What two things does the pharynx contain?
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Visceral or branchail arches
Gill pounches |
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What are two functions of the pharynx?
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Used for the passage of food
Used for gas exchange |
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What five things do the visceral arches contain?
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Branchiomeric muscles
Hypobranchial muscles Aortic arches Branchial bar (gill cartilage) Gill lamellae |
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What is the first pouch differentiated in sharks to form?
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Spiracle
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What is the gill arch?
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The splanchocranium cartilage that supports the gills
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What are gill rays?
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Internal cartilaginous supports for the gill lamellae
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What are gill rakers?
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Prevent debris or food entery into gills
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What are gill lamellae?
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The primary lamellae support the secondary laemllae where actual gas exchange occurs
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Where are the visceral organs of the shark located?
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Coelomic cavities called the peritoneal cavity
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What are the visceral peritonium and parietal peritoneum formed by?
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Hypomere mesoderm
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What is the pericardial cavity separated from the peritoneal cavity by?
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Transverse septum
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What type of valves prevent back flow of blood into the conus arteriosus?
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Semilunar valves
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Why does the venus blood from all digestive system organs and sleep go to the liver before it goes back to the heart?
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Filtering toxins out of the blood
Filtering drugs out of the blood Remove bacteria out of the blood |
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Why does the blood in the hepatic portal vein merge with blood from the hepatic artery?
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To ensure that the liver receives some oxygenated blood
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