Were's That Blood Going?
Summary
Today, we cut open and opened a cavity to see the heart. Although the heart is a small organ, it is a very complex organ. Without the heart, nothing could live. Although the heart only contained 7 main parts, these parts were vital in the survival of the shark.
Circulatory Part
Sinus Venosus
Atrium
Ventricle
Conus Arteriosus
Visceral Pericardium
Caudal Artery
Caudal Vein
Function
Allows blood to enter heart
Allows blood to return to heart
Collects blood
Gives off five pairs of afferent branchial arteries which carry deoxygenated blood from the heart to the gills.
Contact with subjacent myocardium
Buffer the lactic acid
Collects blood
